11 Best Mineral Sunscreens for Kids We Tried in 2026

These 11 Mineral Sunscreens Will Keep Your Kids Burn-Free All Summer Long

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With our Secretary of Health recently shooting down a proposed FDA ban on minors using tanning beds, it’s a confusing time to know how to protect your child from UV radiation — some viral trends on the internet even discourage sunscreen use, claiming it’s more dangerous than the sun’s rays. Fortunately, dermatologists disagree with these false viral claims and emphatically agree that sunscreen is a very good idea, especially for kids.

Skin cancer is the most commonly diagnosed cancer in the world, and research shows limiting sun exposure is the easiest way to reduce your risk for melanoma, the most dangerous form of skin cancer. Kids tend to get three times as much sun annually as adults, making childhood a critical window in which to protect against skin cancer.

Even if you’re not worried about skin cancer, childhood sun exposure also can lead to premature aging. “Ninety percent of aging is from photo damage,” says Angela J. Lamb, MD, a board-certified dermatologist and associate professor of dermatology at the Icahn School of Medicine at Mount Sinai in New York City. Freckles may look cute on a kid, but watch out — children are especially sensitive to the sun since their skin barrier isn’t fully developed yet, making them even more vulnerable to the negative effects from sun exposure.

Your child’s skin tone also plays a role in how sensitive they are to the effects of the sun. “That's why people of color age slower; they just have more intrinsic melanin in their skin,” explains Dr. Lamb. It’s estimated fair-skinned individuals have a natural SPF of 3.3, while darker skin tones have about 13.4 — so no matter what your skin tone is, you’re going to want to beef up that protection with sunscreen. Research recommends fair-skinned individuals use SPF 50 or higher, while darker skin tones can skate by with SPF 30-50.

As we head into summer, we’ve prepared an MVP roster for Team Sunscreen (which is favored to beat The Tanning Beds by a landslide) with a list of our favorite mineral sunscreens for kids. Dermatologists typically recommend mineral-based formulas, particularly for kids. Their lack of chemical ingredients is easier on delicate skin, and doesn’t absorb as deeply, minimizing the risk of skin irritation.

 Also, unlike many of the ingredients in chemical sunscreen, zinc oxide and titanium dioxide, the active ingredients in mineral sunscreen, don’t sting if they get in your eyes, meaning your little ones are safe to break a sweat or cannonball into a pool without getting painfully, temporarily blinded.

 We’ve personally tested more than 30 sunscreens and categorized our favorites based on their staying power, ingredients, price, how they feel, and how easy they are to apply.

Our Top Picks for Best Mineral Sunscreens for Kids of 2026

Thinksun Thinksport kids mineral sunscreen spray

Best spray

ThinkSun ThinkKids All Sheer Mineral Sunscreen Spray

Pros

  • Non-aerosol spray
  • Good for full-body coverage
  • Rubs in sheer

Cons

  • Feels sticky during application
  • Contains microplastics (polyester-8)

Key Specs

  • SPF: 50
  • Type: Spray
  • Water Resistant: Up to 80 minutes
  • Size: 6 fl.oz.
  • Scented: No
  • Active Ingredients: Titanium dioxide 3.4%, zinc oxide 15.7%
  • Reef Safe: Yes

Ask any parent: spray-on sunscreen is a great hack for younger kids who can’t stand having lotion rubbed into their skin. The catch is, spray-on sunscreens are usually both chemical and aerosol, and can leave you standing in a thick fog of invisible chemicals, unsure of how much actually got on your kid’s skin. “I liked this better than most spray-on sunscreens,” said editor Nicole Bonaccorso. “I often feel like they're spraying everywhere and I'm not sure if they're covering the skin. This one sprays out a white liquid sunscreen, so you know it's really getting onto your skin,” she explained. However, she described the visibility of the sunscreen as “kind of a double-edged sword. While I like that I can tell where the sunscreen is going, it also gets on things nearby — clothing, my rug, my car door — and it leaves behind a sticky speckled residue. You can eventually get it off, but it's not the easiest to scrub away,” Bonaccorso said. Still, these issues are common with any mineral spray-on sunscreen, and a worthy trade-off for the lack of chemicals.

ThinkSun advertises this sunscreen as “sheer” - and Bonaccorso found that while it was white during application, the white cast did eventually fade away, which, for a mineral sunscreen, is still saying something. The formula contains vitamin E, aloe vera, and banana fruit extract, which nourish and hydrate skin. It also has titanium dioxide as an active ingredient to improve protection against UVB rays, which affect the top layers of skin, where sunburn typically takes place. 

Thinksun Thinksport kids sunscreen stick

Best for swimming and splashing

Thinksport Kids Sunscreen Stick SPF 30+

Pros

  • Non-greasy feel
  • Excellent staying power
  • Easy application

Cons

  • Thick texture

Key Specs

  • SPF: 30+
  • Type: Stick
  • Water Resistant: Up to 80 minutes
  • Size: .64 oz.
  • Scented: No
  • Active Ingredients: Zinc Oxide 20%
  • Reef Safe: Yes

Holding up against ocean waves or waterslides is the ultimate test for a kid’s sunscreen, and with a mineral sunscreen, a thicker-feeling formula is often going to have better staying power. A “sport” formulated sunscreen is typically designed to withstand water, sand, and sweat, and we loved the Thinksport Kids Sunscreen Stick. Writer Katrina Cossey found “it only takes a few swipes on the arm to rub it in nicely, which is surprising because it's a thicker texture. On the plus side, I actually feel like the thick texture helps it stay in place until it's time to reapply.” She mentioned that it did leave small chunks of sunscreen when rolled on, but it was still “a breeze to use.” She used it on her son, “and his arms didn't burn at all. He also burns easily on his face (cheeks, specifically), and he wasn't as red as usual,” she added.

We liked the oval-shaped stick, which has a slightly larger coverage area, making it easier to use for whole-body coverage as well as the face. The ingredients list is short, and completely naturally derived — aloe, shea butter, and cocoa butter help keep skin hydrated, while beeswax is used to firm up the formula into stick form. 

Tubby Todd mineral sunscreen lotion

Best for daily protection

Tubby Todd Mineral Sunscreen SPF 50

Pros

  • Rubs in easily
  • Invisible wear
  • Long-lasting coverage
  • No greasy residue

Cons

  • Only available online
  • Only for sale bundled on Amazon

Key Specs

  • SPF: 50
  • Type: Lotion
  • Water Resistant: Up to 80 minutes
  • Size: 4 fl.oz.
  • Scented: No
  • Active Ingredients: Zinc oxide 19.6%
  • Reef Safe: Yes

If you’re looking for a go-to kids’ sunscreen, this might be it. Writer Julia Childs Heyl found it “absolutely perfect,” and described it as “the best kids’ sunscreen I have ever used.” She loved that it wasn’t as thick as many mineral sunscreens, and “had the texture of a normal lotion,” which made it very easy to apply and rub in. It didn’t leave her child sticky and in need of a bath afterwards, yet still kept him well-protected and burn-free after spending hours at the park, despite his fair skin and minimal reapplication.

The formula has a powerful 19.6 percent concentration of zinc oxide, combined with shea and cacao butter to help hydrate skin and give it a smooth, lotion-like feel. Tubby Todd Sunscreen also comes in a stick and spray version, which Heyl also liked, but the lotion version was her stand-out favorite. 

CoTZ kids mineral sunscreen stick

Best for lightweight feel

CoTZ Kids Mineral Sun Stick

Pros

  • Rubs in easily
  • No white cast
  • Feels exceptionally light
  • High SPF for a mineral sunscreen
  • Larger than most sun sticks

Cons

  • Not highly water resistant
  • Contains dimethicone

Key Specs

  • SPF: 45
  • Type: Stick
  • Water Resistant: Up to 80 minutes
  • Size: 1 oz.
  • Scented: No
  • Active Ingredients: Titanium Dioxide 4.0%, Zinc Oxide 5.5%
  • Reef Safe: Yes

This is hands down the lightest feeling mineral sunstick I’ve ever used. After application, it feels like I have almost nothing on my face. It doesn’t surprise me to see that it only contains 5.5 percent zinc oxide (although it’s still SPF 45). CoTZ also has a special formula for their non-nano zinc oxide: it’s ground to nano-size, which prevents it from leaving a white cast, but is then coated in inert ingredients that increase the size of the molecule to non-nano.

It goes on completely clear even before rubbing it in, and my daughter actually tolerated it well enough to cover her entire face by herself, which is really saying something. That said, by the time I got out of the water after a two-hour surf, I felt as though it had rubbed off and I had taken in some sun. So while I wouldn’t recommend this for water sports, it’s a fantastic choice for calmer activities in the sun.

A lot of sunsticks can feel like cake foundation — if your child hates that typical sticky feel, this product is going to make applying and wearing sunscreen a whole lot less irritating for both of you. I also appreciate that this stick is a full 1 oz., since many kids' sunsticks are only .5 oz. 

Tubby Todd mineral sunstick

Best for face

Tubby Todd Mineral Sunstick SPF 30

Pros

  • Easy to apply
  • Rubs on quickly and smoothly
  • Added botanicals help moisturize skin
  • No white cast

Cons

  • Only available online
  • Only available in SPF 30

Key Specs

  • SPF: 30
  • Type: Stick
  • Water Resistant: Up to 80 minutes
  • Size: 0.5 oz.
  • Scented: No
  • Active Ingredients: Zinc oxide 20%
  • Reef Safe: Yes

Heyl found Tubby Todd’s sunscreens to be “gentle, moisturizing, and last a long time.” She liked this sunstick in particular for covering her toddler’s face. “Getting him to sit still to apply sunscreen on his face and not get it in his eye feels like an Olympic sport at this point,” she said, echoing toddler parents everywhere. She found this stick was “super easy to apply. It’s designed to be easily applied on a kid's face, and is easy to smooth onto his little cheeks and rubs in quickly,” she explained. The only issue she had with this stick is that it is only available in SPF 30. “I would love to see SPF 50,” she added.

This stick contains the same botanicals as Tubby Todd’s lotion formula, with aloe, coconut, cacao, and shea butter to help moisturize skin. Beeswax has been added here to firm it into a stick. 

Blue Lizard kids mineral spf sunscreen stick

Best stick

Blue Lizard Kids Mineral SPF 50 Sunscreen Stick

Pros

  • Applies smoothly
  • No greasy residue
  • Lightweight
  • Affordably priced

Cons

  • Lingering white cast 

Key Specs

  • SPF: 50
  • Type: Stick
  • Water Resistant: Up to 80 minutes
  • Size: 0.5 oz.
  • Scented: No
  • Active Ingredients: Zinc oxide 20%
  • Reef Safe: Yes

This mineral sunscreen stick from Blue Lizard combines a lot of great factors: it goes on easily, feels light on the skin, and offers powerful sun protection. “I was really shocked by how well it rubbed in and didn't sit on the skin or leave a residue. This helped me feel confident that it wasn't rubbing off,” said writer and editor Olivia Campbell. She noticed “it definitely has a white cast that needs to be rubbed in,” but overall, she preferred it to other mineral sunscreen sticks she tried.

The formula contains aloe vera extract and several other botanicals that protect and soothe skin. One online user even found this stick had a positive effect on her rosacea. The ingredients also include squalene, an ultra-hydrating plant-derived oil that mimics your skin’s natural oil to keep you from drying out in the sun. The pocket-size packaging makes this stick easy to keep on-hand for reapplication throughout the day, without adding much extra weight to your bag.


Sonrei Kids zinc mineral sunscreen

Best gel

Sonrei Kids Zinq Mineral Gel Sunscreen

Pros

  • Goes on clear
  • Rubs in easily
  • Fun light iridescent formula
  • Good for sensitive skin

Cons

  • Relatively expensive
  • Contains microplastics (Dimethicone,Polymethylsilsesquioxane)

Key Specs

  • SPF: 60
  • Type: Gel
  • Water Resistant: Up to 80 minutes
  • Size: 3.4 oz.
  • Scented: No
  • Active Ingredients: Zinc oxide 24%
  • Reef Safe: Yes

I was first introduced to gel sunscreen by a friend who said it was the only kind of sunscreen that didn’t make her break out. After one use, I was sold. Gel sunscreen is typically clear, with low-shine and zero white cast. This kids’ version is “iridescent and has maybe the faintest shade of purple tint when you first pour it into your hand, which my boys found super fun,” said Bonaccorso. “I also like that this goes on absolutely clear, which isn't typical for a mineral sunscreen. It goes on just like lotion.” Despite how easily it absorbed, she found this sunscreen “stays in place for hours.”

If cost and chemicals weren't an issue, I would use gel sunscreen every day. It’s so much easier to apply, and feels much lighter on the skin, but it does tend to be much more expensive than regular sunscreen, and Sonrei’s formula is no exception. Also, I’m not sure what kind of chemical sorcery is needed to overpower the natural state of zinc oxide sunscreen, which is notoriously thick and white, but this formula does contain two microplastics, one of which is the third non-active ingredient (polymethylsilsesquioxane). It also contains shea butter and aloe vera, which help protect skin from drying out in the sun. The price is several times that of a basic sunscreen, but if getting sunscreen on your child is a major battle you want to stop fighting, a gel formula like this one may be a worthy investment. 

Boogie Mineral sunscreen stick

Best for babies

Boogie Mineral Sunscreen Stick

Pros

  • 100% naturally derived ingredients
  • Rubs in easily
  • Hypoallergenic

Cons

  • Very small amount of product
  • Not easy to find at retailers

Key Specs

  • SPF: 50
  • Type: Stick
  • Water Resistant: Up to 80 minutes
  • Size: 0.49 oz.
  • Scented: No
  • Active Ingredients: Zinc oxide 20%
  • Reef Safe: Yes

With a completely naturally derived ingredient list, Boogie’s formula is both safe for a baby’s delicate skin and packed with botanicals to help nourish and protect it. The 20 percent zinc oxide sun protection is combined with aloe, shea butter, squalene, and jojoba and coconut oils to keep your child’s skin burn-free and healthy.

It’s also a great feeling product: “It literally disappears into skin, no scent, no residue or feel. Even after rubbing it in, my hands feel completely clean,” said writer Grace Gallager. “It dries completely matte and leaves no white cast. This is my favorite kids' sunscreen and sunscreen stick.” The only complaint Gallager had was the size of the stick, which contains a meager .49 oz. of sunscreen. “I wish it was a little bigger. It takes a long time to cover my three-year-old in this, and he gets antsy. It's a little easier with the baby because she's smaller, but she is wiggly too,” Gallager explained. While it fits nicely in a small bag, a major outing is probably going to require a larger tube of sunscreen to complement this one. 

Badger kids mineral sunscreen

Best for organic ingredients

Badger Kids Mineral Sunscreen Cream - SPF 40

Pros

  • 98% organic ingredients
  • Only 9 ingredients listed
  • Hypoallergenic
  • Naturally scented

Cons

  • Slightly greasy feeling
  • Small bottle

Key Specs

  • SPF: 40
  • Type: Lotion
  • Water Resistant: Up to 80 minutes
  • Size: 2.9 fl.oz.
  • Scented: Tangerine and Vanilla
  • Active Ingredients: Zinc Oxide 22.5%
  • Reef Safe: Yes

Most kids’ sunscreen is unscented, since fragrances can be irritating. Badger takes a different approach, using actual vanilla extract combined with orange and tangerine oil extracts to create a kid-friendly “orange creamsicle” scent. The ingredients list on this sunscreen is incredibly sparse — aside from the zinc oxide and the scented extracts, there’s beeswax, sunflower oil, jojoba oil, vitamin E, and seabuckthorn extract, which is chock full of vitamins beneficial to your skin. That’s literally it. And bonus: 98 percent of the ingredients are organically sourced, and the product is certified non-GMO.

“I love that it's made with more natural ingredients, " said health writer SaVanna Shoemaker. “One of my children can't have artificial fragrances on her skin, but she still loves things that smell nice. This sunscreen has a nice scent (a little on the strong side for me, but the kids love it) that comes from oils and fruit extracts.” Shoemaker did find this sunscreen “has a bit of a greasy/tacky feel after application when compared to some other sunscreens we've tried, but I think that's a fair trade-off and to be expected since the major ingredients include beeswax and oils,” she explained. 

Earth Mama uber sensitive mineral sunscreen lotion

Best for sensitive skin

Earth Mama Uber-Sensitive Mineral Sunscreen Lotion SPF 40

Pros

  • Safe for eczema and sensitive skin
  • Contains colloidal oatmeal
  • Accepted by the National Eczema Association

Cons

  • Only water-resistant for 40 minutes
  • Thick formula

Key Specs

  • SPF: 40
  • Type: Lotion
  • Water Resistant: Up to 40 minutes
  • Size: 3 oz.
  • Scented: No
  • Active Ingredients: Zinc Oxide 25%
  • Reef Safe: Yes

For kids with eczema or extremely sensitive skin, this sunscreen is perfect. Its completely natural formula is loaded with medicinal plants to help soothe skin. In addition to the usual suspects of aloe, shea, and coconut, there’s colloidal oatmeal — a godsend for eczema-prone skin — as well as calendula, red raspberry, jojoba, and olive, which all help to soothe and protect delicate skin.

Heyl found it did leave a white cast, but for a natural mineral sunscreen, that is a sign it’s still doing its job. “It protected my son's skin after a long day of playing in the sun,” she said. It’s also a great choice for both your body and the environment — Environmental Working Group (EWG) chose it as one of their “Best Recreational Sunscreens,” and it has the National Eczema Association Seal of Acceptance. It’s also certified cruelty-free and plastic neutral, and is NSF certified to contain at least 70 percent organic ingredients. 

Squeen sunscreen

Best for fun application

Sqween Paint-on Sun Protection SunSponge

Pros

  • Fun colored formula during application
  • Rubs in clear with a slight shimmer
  • Applicator sponge makes it easy for kids to self-apply

Cons

  • Relatively expensive
  • Not widely available

Key Specs

  • SPF: 30
  • Type: Lotion
  • Water Resistant: Up to 80 minutes
  • Size: 4 oz.
  • Scented: No
  • Active Ingredients: Zinc oxide 15%
  • Reef Safe: Yes

My 10-year-old, who will usually spend about zero to thirty seconds applying sunscreen if left to her own devices, happily spent ten minutes painting her entire body with this stuff. I had imagined a colored sunscreen would come in bright, garish colors like fingerpaint, but Sqween’s tints were subtle and shimmery, more like a fancy bronzer.

I loved the built-in applicators on Squeen’s tubes — this larger one comes with a sponge, and the smaller bottle with a paintbrush tip, both of which spread the lotion with a silky smooth feel against your skin. The sunscreen comes in blue, light green, gold, rose gold, and dark pink options, and rubs in sheer with a slight sparkly shimmer. We found it felt great on, and wasn’t too thick or greasy. The formula contains botanicals like aloe, jojoba, and coconut, as well as hyaluronic acid, to keep skin moisturized and healthy in the sun. 

Comparison Table

Superlative
SPF
Type
Water Resistant
Size
Scented
Active Ingredients
Reef Safe
Best spray
50
Spray
Up to 80 minutes
6 fl.oz.
No
Titanium Dioxide 3.4%, Zinc Oxide 15.7%
Yes
Best for swimming and splashing
30+
Stick
Up to 80 minutes
.64 oz.

No
Zinc Oxide 20%
Yes
Best for daily protection
50
Lotion
Up to 80 minutes
4 fl.oz.
No
zinc oxide 19.6%
Yes
Best for lightweight feel
45
Stick
Up to 80 minutes
1 oz.
No
Titanium Dioxide 4.0%, Zinc Oxide 5.5%
Yes
Best for face
30
Stick
Up to 80 minutes

0.5 oz.
No
Zinc Oxide 20%
Yes
Best stick
50
Stick
Up to 80 minutes
0.5 oz.
No
zinc oxide 20%
Yes
Best gel
60
Gel
Up to 80 minutes
3.4 oz.
No
Zinc Oxide 24%
Yes
Best for babies
50
Stick
Up to 80 minutes
0.49 oz.
No
Zinc Oxide 20%
Yes

Best for organic ingredients
40
Lotion
Up to 80 minutes
2.9 fl.oz.
Tangerine and Vanilla
Zinc Oxide 22.5%

Yes
Best for sensitive skin
40
Lotion
Up to 40 minutes
3 oz.
No
Zinc Oxide 25%
Yes
Best for fun application
30
Lotion
Up to 80 minutes
4 fl.oz.
No
Zinc Oxide 15%
Yes

We Also Tested

We tested 20 different kids' mineral sunscreens to help us make our selection for this list. We liked many of them, but with such a wide array to choose from, we did make a few cuts. The following sunscreens are still strong options, but didn’t quite make the list of our favorites.

Badger Baby Mineral Sunscreen Cream - SPF 40

We’re fans of Badger’s sunscreen line, as they have natural ingredients, many of which are organic, and their sunscreens tend to stay put and offer great protection against the sun. Their packaging always features an animal and bright colors, making it appealing to kids. Gallagher liked that this sunscreen actually went on clear and rubbed into a matte finish. She was impressed by the ingredient list, which is chock full of healthy botanicals; however, she found that it's also “really thick, so it dispenses only a little at a time, which can be hard when you're trying to apply sunscreen quickly to a squirmy baby or toddler. It's so thick that my tube was kind of mangled and dented after one or two uses,” she added.

Hello Bello Kids Mineral Sunscreen Lotion

Cossey loved that this sunscreen rubs in completely without leaving a white cast, and found that it offered great all-day protection for her and her family. The drawback was that “if it settles for too long (as in, if you don't use it for a bit), the formula separates and becomes really watery. I opened the tube to squeeze it out and got liquid instead,” she said. Sometimes, I will buy a sunscreen like this, and having to remember to shake it before each use gets annoying.

How We Tested the Best Mineral Sunscreens for Kids4

We gave about a dozen Everyday Health writers and editors (including me) a few sunscreens each to test out on themselves and their kids. We compared how effective each product was, how long it stayed on, how easy it was to apply, and what it felt like on our skin. We also took into account how well our kids tolerated the application process, and which sunscreens appealed to them based on packaging, smell, and feel. We looked at ingredients, making sure every sunscreen on our list is formulated with gentle, non-toxic ingredients. Based on how the sunscreens performed, we chose our favorites and categorized them to highlight the various ways in which they excelled. We also took into account price and availability to make sure we came up with a range of sunscreens suitable for a variety of needs and budgets.

We also consulted dermatologist Angela Lamb, MD, a board-certified dermatologist and associate professor of dermatology at the Icahn School of Medicine at Mount Sinai in New York City, and Nicole N. Harter, MD, division chief of pediatric dermatology at Children’s Nebraska Omaha in Omaha, Nebraska, and associate professor of dermatology at the University of Nebraska Medical Center, for their favorite picks and recommendations.

What To Look For When Buying Mineral Sunscreen for Kids

There are many factors to consider when selecting a kids’ mineral sunscreen. You’re going to want to consider how strong of a sun protection factor (SPF) you want, how you want to apply it, and the ingredients each sunscreen has — perhaps you need something hypoallergenic, or you want one packed full of skin-soothing botanicals. Lastly, price is an important factor — sunscreen can be pretty expensive, but our list includes several good budget-priced options.

  • SPF: Most mineral sunscreens range from SPF 30 to SPF 60 (and sometimes even past that). If your child is fair-skinned and burns easily, opting for a higher SPF is a good idea. According to the Skin Cancer Foundation, people should opt for SPF 30 for everyday use, but for long days outdoors, SPF 50 is recommended.

  • Type: Sunscreens typically come as a lotion, spray, stick, or a gel. Lotions tend to get you more bang for your buck, while sticks are easier to apply to faces and small children. Sprays can help ease the application process, while gels are typically going to have the least white cast and a lightweight feel.
  • Additional Ingredients: If your child has sensitive skin, you’re already on the right track choosing a mineral sunscreen. Many mineral sunscreens have beneficial added ingredients, like aloe or shea butter, to help soothe and protect skin from the sun.
  • Price: There is a wide cost range when it comes to sunscreen, and you can expect to pay from $10 to $40. Think about how much you are willing to spend, and also how much sunscreen that gets you — a stick and a bottle of lotion may have similar prices, but the lotion may have ten times as much sunscreen as the stick.

How is Mineral Sunscreen Different From Chemical Sunscreen?

Mineral sunscreen sits on the surface of the skin, where tiny particles of zinc oxide or titanium dioxide create a physical barrier preventing UV rays from reaching the skin.

These active ingredients are non-toxic and won’t penetrate below the epidermis. Mineral sunscreen tends to be thicker and whiter than chemical sunscreen, but is typically non-toxic, can be completely naturally derived, and can be hypoallergenic.

Chemical sunscreen, on the other hand, sinks deeper into the skin and uses chemicals to convert UV rays into heat after they reach your skin, rather than blocking them out to begin with.

 These chemicals can be irritating to skin, which is why it’s a good idea to avoid chemical sunscreen for your kids. It also needs about 10 to 15 minutes to start working after application, whereas mineral sunscreen is effective immediately after application. 

How Are Kids’ Sunscreen Different from Adult Sunscreen?

Basically, it’s not. There is no set of regulations or standards that defines a kids’ sunscreen, and it’s a company’s decision to market a sunscreen as either a kids’ or adult product. Generally speaking, sunscreens made for kids or babies are formulated for more sensitive skin, usually with no added fragrances or chemicals. They may also be geared for easier application, with fun, easy-to-use packaging to help encourage kids to put on sunscreen. 

Are All Mineral Sunscreens Reef-Safe?

No. While all the sunscreens on our list use non-nano zinc oxide, some mineral sunscreens use nanoparticles, where the metal has been crushed to less than 100 nanometers in size. While these finer particles make it much easier to rub in your sunscreen and get rid of that ghostly white cast, studies in the lab have shown that nanoparticles from sunscreen could lead to coral bleaching. Though it is still unclear if this translates to real life conditions, you may want to choose non-nano sunscreens to be on the safe side.

 It’s important to note that this study was done in a lab, and not in the ocean, and studies are still ongoing.

Most sunscreens that advertise as reef-safe are going to use non-nano zinc, but “reef-safe” and “reef-friendly” are not regulated terms, and it’s best to ensure your mineral sunscreen is non-nano by checking with the company itself.

Still, whether it’s nano or non-nano, mineral sunscreen is still a probable better choice for marine life than chemical sunscreens, which are being scrutinized more closely for coral bleaching.


Are Nano Zinc Oxide and Nano Titanium Dioxide Dangerous?

Most research on nanoparticles has found they do not get absorbed through human skin, and the FDA considers nanoparticles completely safe to use in sunscreen lotion. However, there are skeptics. Research does exist saying it can be toxic to skin cells.

 It’s also important to remember that nanoparticles from sunscreen may not be reef-safe, as mentioned above.
It’s more widely accepted that metallic nanoparticles are dangerous if inhaled or eaten, and can cause damage to your lungs or GI tract, as well as cause respiratory, circulovascular, and neurological diseases, so they don’t belong in spray-on sunscreens, nor in the hands of anyone prone to sticking their fingers in their mouth (babies, we’re looking at you).

FAQ

Why is it important for children to use sunscreen?
Research has found that childhood sunburn, or sunburns sustained before the age of 20, has a causal relationship to both malignant melanoma and non-melanoma skin cancers.

 “Just one blistering sunburn in childhood or adolescence can nearly double the risk of melanoma later in life,” says Nicole N. Harter, MD, division chief of pediatric dermatology at Children’s Nebraska Omaha in Omaha, Nebraska, and associate professor of dermatology at the University of Nebraska Medical Center.

Broad-spectrum means a sunscreen blocks out both UVA and UVB rays. UVA rays penetrate deeper into your skin and are the primary cause of wrinkles, while UVB rays hit the top layer and cause sunburn.

Sunscreen should be reapplied every two hours, and when swimming or sweating, according to its listed water resistance (usually every 40 or 80 minutes). It’s best to reapply sunscreen to your child immediately after they get out of the water, even if it has not yet been two hours. 

“SPF 30 blocks about 97 percent of UVB rays, while SPF 50 blocks about 98 percent,” explains Dr. Harter. “No sunscreen blocks 100 percent of UV rays, so I recommend SPF 30 to 50,” she says.

Make sure your child is wearing a hat, long sleeves, and staying out of the sun from 10 a.m. to 2 p.m., when the sun’s rays are the strongest. Stay covered as much as possible — when it comes to SPF, most fabrics are going to outperform the strongest sunscreen.

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Resources
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  2. Gefeller O, et al. Children and Ultraviolet Radiation. Children. April 11, 2022.
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  12. Li Y, et al. Childhood sunburn and risk of melanoma and non-melanoma skin cancer: a Mendelian randomization study. Environmental Science and Pollution Research. December 1, 2023.
  13. Berry EG, et al. Slip versus Slop: A Head-to-Head Comparison of UV-Protective Clothing to Sunscreen. Cancers. January 21, 2022.