MDSolarSciences Mineral KidCreme, Zinc Oxide, SPF 40 Sunscreen

MDSolarSciences Mineral KidCreme, Zinc Oxide, SPF 40 Sunscreen

SPF 40Efficacy90/100IrritancyLow·4 UV filters
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Works for

2 of 3 advertised claims delivered

Sun protection
SPF 40 · 4 UV filters
Broad spectrum
SPF 40Broad spectrumMineral + chemical filtersWater-resistant

This product offers a good level of protection against both UVB and UVA rays.

This sunscreen uses organic (so-called "chemical") sunscreen filters. Organic, or "chemical" filters usually provide reliable sun protection and rarely leave a white cast. Sunscreens with organic filters can sting eyes.

This product can be considered "reef safe" because it does not contain the UV filters (oxybenzone and octinoxate) that can be harmful to coral reefs when present in the water in high concentrations.

UV spectrum
UVB290–320 nmUVA II320–340 nmUVA I340–400 nm
Butyloctyl Salicylate
Polysilicone-15
Titanium Dioxide
Zinc Oxide
FilterCoverageWhat it doesEst. amount
Butyloctyl SalicylateUVBA synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its own~1.7–2.5%
Polysilicone-15UVB Photo-stable A UV filter. Effective against UVB rays, but does not protect against the most aging UVA light~1.6–2.5%
Titanium Dioxide Mineral UVBUVA2 Photo-stable Works as a UV filter when used in high concentrations. It is photostable and is effective mostly against the UVB light, with some protection in the UVA range. In small concentrations, used for its ability to improve the color of cosmetic products. Is usually well tolerated by the skin2%
Zinc Oxide Mineral UVBUVA Photo-stable A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant17%
~ marks concentrations estimated from label position and typical use levels
Reef-safe
No oxybenzone or octinoxate — the two filters banned in Hawaii, Florida Keys and Aruba.
Anti-aging
Ubiquinone, Tetrahexyldecyl ascorbate
Strong evidence
What the product description says
“Naturally derived and safer Eco-cert zinc oxide helps reduce the risk of photo aging and skin cancer.”
Source: Walmart

This product can help prevent early signs of skin aging because it offers a good level of broad spectrum sun protection. Sun damage is the main cause of premature skin aging, and protecting your skin from the sun is the best anti-aging strategy.

UbiquinoneEffect: LowCoenzyme Q10. It helps neutralize free radicals in skin, improves skin hydration and might be helpful agains fine lines and wrinkles. It can be an allergen~0.1–0.4%
Tetrahexyldecyl ascorbateUnder-dosedEffect: HighBeing a lipid soluble form of vitamin C, it is more stable than ascorbic acid, but still degrades quickly and needs to be stabilized in a formulation with another ingredient. It is claimed to penetrate skin better than pure vitamin C and have the the similar benefits, but solid studies of its effectiveness are lacking. Is likely to require a higher concentration in a product than pure vitamin C to be effective. It might be able to help reduce pore clogging.~1–1.5%
Anti-blemish
CAMELLIA SINENSIS LEAF EXTRACT
Weak evidence
What the product description says
“won?t clog pores.”
Source: Walmart

Effective ingredients missing or their concentration is too low.

CAMELLIA SINENSIS LEAF EXTRACTEffect: Low—
Evens skin tone
Not advertised by the brand · Punica granatum extract, Tetrahexyldecyl ascorbate
Strong evidence

This product offers broad spectrum sun protection. It means that it can prevent hyperpigmentation and help keep the skin tone even (sun damage is the main factor causing age spots, darkening of post-acne marks and other discolorations).

Punica granatum extractEffect: LowA plant extract that can help neutralize free radicals in skin and even out the skin tone, but is typically used in products in a concentration that is too low to be effective~0.4–1%
Tetrahexyldecyl ascorbateUnder-dosedEffect: HighBeing a lipid soluble form of vitamin C, it is more stable than ascorbic acid, but still degrades quickly and needs to be stabilized in a formulation with another ingredient. It is claimed to penetrate skin better than pure vitamin C and have the the similar benefits, but solid studies of its effectiveness are lacking. Is likely to require a higher concentration in a product than pure vitamin C to be effective. It might be able to help reduce pore clogging.~1–1.5%
Anti-oxidation
Not advertised by the brand · Ubiquinone, Punica granatum extract + 4 more
Strong evidence

This product contains antioxidants (ubiquinone) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).

The following ingredients - camellia sinensis extract, punica granatum extract also can have an antioxidant effect, but there is less evidence to confirm their effectiveness in skin.

UbiquinoneKey activeEffect: HighCoenzyme Q10. It helps neutralize free radicals in skin, improves skin hydration and might be helpful agains fine lines and wrinkles. It can be an allergen~0.1–0.4%
Punica granatum extractKey activeEffect: MediumA plant extract that can help neutralize free radicals in skin and even out the skin tone, but is typically used in products in a concentration that is too low to be effective~0.4–1%
Camellia sinensis extractKey activeEffect: MediumTea extract. Might be helpful in neutralizing free radicals in skin~0.55–1.3%
Vaccinium macrocarpon fruit extractEffect: LowA berry extract. Might have some anti-oxidant properties~0.5–1.15%
Tetrahexyldecyl ascorbateUnder-dosedEffect: HighBeing a lipid soluble form of vitamin C, it is more stable than ascorbic acid, but still degrades quickly and needs to be stabilized in a formulation with another ingredient. It is claimed to penetrate skin better than pure vitamin C and have the the similar benefits, but solid studies of its effectiveness are lacking. Is likely to require a higher concentration in a product than pure vitamin C to be effective. It might be able to help reduce pore clogging.~1–1.5%
Tocopheryl acetateEffect: Low, below effective doseA more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.~0.1–0.3%
Moisturizing
Not advertised by the brand · Caprylic/capric triglyceride, Dimethicone + 4 more
Good evidence

This product can help soften the skin and reduce its moisture loss with emollients and occlusives: caprylic/capric triglyceride, dimethicone.

Keep in mind that this product does not contain effective ingredients to attract water to the upper layer of the skin. This is why an additional product with humectants like glycerin or hyaluronic acid can be helpful (apply it before this product for the best results).

Caprylic/capric triglycerideKey active· Emollient, OcclusiveEffect: HighA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin~6–9%
DimethiconeKey active· Emollient, OcclusiveEffect: HighA silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish~23–34%
Peg/ppg-18/18 dimethiconeKey activeEffect: HighA silicone that mixes with water creating nice light-weight product texture~0.2–0.75%
SqualaneKey active· Emollient, OcclusiveEffect: HighAn oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.~0.15–0.5%
UbiquinoneKey activeEffect: HighCoenzyme Q10. It helps neutralize free radicals in skin, improves skin hydration and might be helpful agains fine lines and wrinkles. It can be an allergen~0.1–0.4%
Dimethicone crosspolymerKey activeEffect: MediumUsed to create a thicker product texture. Helps soften the upper layer of the skin and might be able to prevent moisture loss from its surface~8.1–12.1%

Can it cause trouble?

Irritancy
8 flagged ingredients
Low risk
We flag 8 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.
IngredientFunctionIrritationEst. amount
Vaccinium macrocarpon fruit extractA berry extract. Might have some anti-oxidant propertiesHigh~0.5–1.15%est.
Caprylic/capric triglycerideA good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerinMedium~6–9%est.
Polyhydroxystearic acidUsed to create a thicker product consistency and stabilize the formulationMedium~2.7–4.1%est.
Butyloctyl salicylateA synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its ownMedium~1.7–2.5%est.
Polysilicone-15A UV filter. Effective against UVB rays, but does not protect against the most aging UVA lightMedium~1.6–2.5%est.
Tetrahexyldecyl ascorbateBeing a lipid soluble form of vitamin C, it is more stable than ascorbic acid, but still degrades quickly and needs to be stabilized in a formulation with another ingredient. It is claimed to penetrate skin better than pure vitamin C and have the the similar benefits, but solid studies of its effectiveness are lacking. Is likely to require a higher concentration in a product than pure vitamin C to be effective. It might be able to help reduce pore clogging.Medium~1–1.5%est.
Punica granatum extractA plant extract that can help neutralize free radicals in skin and even out the skin tone, but is typically used in products in a concentration that is too low to be effectiveMedium~0.4–1%est.
Tocopheryl acetateA more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.Medium~0.1–0.3%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged
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Ingredients

Filter by role to see what each ingredient is doing.

Titanium dioxide2%
UV filterKey active
Irritation risk
Low
Works for
Sun protection

Works as a UV filter when used in high concentrations. It is photostable and is effective mostly against the UVB light, with some protection in the UVA range. In small concentrations, used for its ability to improve the color of cosmetic products. Is usually well tolerated by the skin

More about Titanium dioxide
Zinc oxide17%
UV filterKey active
Irritation risk
Low
Works for
Sun protection

A broad spectrum sunblock (protects from both UVA and UVB rays). Is suitable for most sensitive skins. In small concentrations, can be used as a colorant

More about Zinc oxide
Dimethicone~23–34%
Key active
Irritation risk
Low
Works for
MoisturizingMattifying

A silicone that helps to reduce water loss from the surface of the skin. Can temporarily "fill in" lines and wrinkles, absorb oil, and create a nice product finish

More about Dimethicone
Dimethicone crosspolymer~8.1–12.1%
Key active
Irritation risk
Low
Works for
Moisturizing

Used to create a thicker product texture. Helps soften the upper layer of the skin and might be able to prevent moisture loss from its surface

More about Dimethicone crosspolymer
Caprylic/capric triglyceride~6–9%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

A good mix of fatty acids that forms a protective layer on the skin. Improves the shelf life of products. Derived from coconut and glycerin

More about Caprylic/capric triglyceride
Glyceryl isostearate~3.6–5.4%
Formula
Irritation risk
Low
Works for
Cleansing
More about Glyceryl isostearate
Polyhydroxystearic acid~2.7–4.1%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Used to create a thicker product consistency and stabilize the formulation

More about Polyhydroxystearic acid
Dimethicone/vinyl dimethicone crosspolymer~2.4–3.6%
Formula
Irritation risk
Low

Used to stabilize product formulations and create a nice product texture

More about Dimethicone/vinyl dimethicone crosspolymer
Silica~2.2–3.4%
Formula
Irritation risk
Low

Used to absorb oil and can temporarily mattify skin

More about Silica
Butyloctyl salicylate~1.7–2.5%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

A synthetic ester of salicylic acid that is used to help disperse pigments and boost effectiveness of sunscreen ingredients. It is able to absorb UV light (working as an organic, or chemical filter), but is not approved as a sunscreen ingredient on its own

More about Butyloctyl salicylate
Polysilicone-15~1.6–2.5%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

A UV filter. Effective against UVB rays, but does not protect against the most aging UVA light

More about Polysilicone-15
Tetrahexyldecyl ascorbate~1–1.5%
Under-dosedIrritant · medium
Irritation risk
Medium
Works for
Evens skin toneAnti-oxidationAnti-aging

Being a lipid soluble form of vitamin C, it is more stable than ascorbic acid, but still degrades quickly and needs to be stabilized in a formulation with another ingredient. It is claimed to penetrate skin better than pure vitamin C and have the the similar benefits, but solid studies of its effectiveness are lacking. Is likely to require a higher concentration in a product than pure vitamin C to be effective. It might be able to help reduce pore clogging.

More about Tetrahexyldecyl ascorbate
Camellia sinensis extract~0.55–1.3%
Key active
Irritation risk
Low
Works for
Anti-oxidation

Tea extract. Might be helpful in neutralizing free radicals in skin

More about Camellia sinensis extract
Vaccinium macrocarpon fruit extract~0.5–1.15%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

A berry extract. Might have some anti-oxidant properties

More about Vaccinium macrocarpon fruit extract
Punica granatum extract~0.4–1%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationEvens skin tone

A plant extract that can help neutralize free radicals in skin and even out the skin tone, but is typically used in products in a concentration that is too low to be effective

More about Punica granatum extract
Iron oxides~0.4–0.9%
Formula
Irritation risk
Low
Works for
Sun protection

An umbrella term for the following three colorants: CI 77491, CI 77492, CI 77499. They might be able to offer some protection against visible light, but the degree of the protection is not clear

More about Iron oxides
Peg/ppg-18/18 dimethicone~0.2–0.75%
Key active
Irritation risk
Low
Works for
MoisturizingCleansing

A silicone that mixes with water creating nice light-weight product texture

More about Peg/ppg-18/18 dimethicone
Triethoxycaprylylsilane~0.15–0.55%
Formula
Irritation risk
Low

A type of silicone that helps oil and water mix well together. Helps to disperse other ingredients, e.g. pigments, evenly in a formulation

More about Triethoxycaprylylsilane
Ubiquinone~0.1–0.4%
Key active
Irritation risk
Low
Works for
Anti-oxidationMoisturizingAnti-aging

Coenzyme Q10. It helps neutralize free radicals in skin, improves skin hydration and might be helpful agains fine lines and wrinkles. It can be an allergen

More about Ubiquinone
Tocopheryl acetate~0.1–0.3%
Irritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A more stable but less bio-available form of vitamin E compared to Tocopherol. Might help moisturize and protect the skin from free radicals, but mostly used in low concentrations to stabilize other ingredients.

More about Tocopheryl acetate
Squalane~0.15–0.5%
Key active
Irritation risk
Low
Works for
Moisturizing

An oil naturally present in skin. Works as an emollient to soften the skin and form a protective layer on its surface without a greasy feeling.

More about Squalane
Ingredient list view

Titanium dioxide, Zinc oxide, Dimethicone, Dimethicone crosspolymer, Caprylic/capric triglyceride, Glyceryl isostearate, Polyhydroxystearic acid, Dimethicone/vinyl dimethicone crosspolymer, Silica, Butyloctyl salicylate, Polysilicone-15, Tetrahexyldecyl ascorbate, Camellia sinensis extract, Vaccinium macrocarpon fruit extract, Punica granatum extract, Iron oxides, Peg/ppg-18/18 dimethicone, Triethoxycaprylylsilane, Ubiquinone, Tocopheryl acetate, Squalane

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Walmart
$7.70
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$24.73
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Amazon USPrice as of 10/26/2026 18:00 GMT
$36.00
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Walmart
$36.00
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Product summary

We believe that "MDSolarSciences - Mineral KidCreme, Zinc Oxide, SPF 40 Sunscreen" can provide reliable sun protection based on the ingredients listed. We love that it can protect from both UVA and UVB rays (not all sunscreens with SPF ratings give UVA protection. UVA rays do not cause sunburn, but still damage our skin and lead to early aging).

It also works as a moisturizer, so you do not have to use an additional hydrating product. Like all broad-spectrum sunscreens, this product has an anti-aging benefit.

Sunscreen filters

This sunscreen uses a mixture of both mineral and organic (so-called "chemical") UV filters. The organic filters in the product are: butyloctyl salicylate and polysilicone-15. As for the mineral filters, this sunscreen uses both titanium dioxide and zinc oxide.

Irritation risk

There are some common irritants in this product, including ingredients that do not have benefits for the skin. We assess the overall irritancy of this product to be low. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.

Price

The product retails from 7.70$ up to 36.00$ in the United States and from 23.32£ up to 26.66£ in the United Kingdom.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 13 studies and safety reviews.

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MDSolarSciences Mineral KidCreme, Zinc Oxide, SPF 40 Sunscreen
MDSolarSciencesMineral KidCreme, Zinc Oxide, SPF 40 Sunscreen

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As an Amazon Associate, WIMJ earns from qualifying purchases.