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Tatcha US DEV The Silk Sunscreen SPF 50
Tatcha US DEV

Tatcha US DEV The Silk Sunscreen SPF 50

SPF 50Efficacy90/100IrritancyLow·1 UV filter
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Works for

3 of 3 advertised claims delivered

Sun protection
SPF 50 · 1 UV filter
Broad spectrum
SPF 50Broad spectrumMineral + chemical filtersWater-resistantNo white cast

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

It is a mineral sunscreen. In other words, it contains non-organic UV filters. It will probably not sting your eyes but might leave a white cast.

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
Zinc Oxide
FilterCoverageWhat it doesEst. amount
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 colorant10%
Reef-safe
No oxybenzone or octinoxate — the two filters banned in Hawaii, Florida Keys and Aruba.
Evens skin tone
2 ingredients credited for this claim
Strong support
What the product description says
“Instantly hydrates & visibly evens tone over time”
Source: Tatcha

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).

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.75–1.15%
Camellia sinensis leaf extractEffect: LowCan contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation~0.7–1.05%
Moisturizing
22 ingredients credited for this claim
Strong support
What the product description says
“Instantly hydrates & visibly evens tone over time”
Source: Tatcha

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: sodium hyaluronate, hydrolyzed silk.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: caprylic/capric triglyceride, dimethicone.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: niacinamide

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~2.5–3%
LactobacillusKey activeEffect: HighA non-living ingredient made by fermentation with the bacteria Lactobacillus. It can help attract water to the upper layer of the skin and might help reduce inflammation~0.45–0.7%
NiacinamideHeroEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.75–1.15%
Polyglyceryl-2 dipolyhydroxystearateKey activeEffect: HighHelps to soften the upper layer of the skin~0.4–0.6%
PolymethylsilsesquioxaneKey activeEffect: HighA silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss~1.1–1.3%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.5–0.75%
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.~0.7–1.05%
Kappaphycus alvarezii extractKey activeEffect: HighA red algae extract that can help attract water to the upper layer of the skin and might have some antioxidant properties~0.5–0.75%
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~5.3–6.5%
Saccharomyces/rice ferment filtrateKey active· HumectantEffect: MediumA product of yeast fermentation. Can contain humectants that help attract water to the upper layer of the skin and might help neutralize free oxidants~0.7–1.05%
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~0.45–0.65%
Hydrolyzed silkKey active· HumectantEffect: MediumCan help attract water to the upper layer of the skin~0.6–0.9%
IsododecaneKey active· Emollient, OcclusiveEffect: MediumAn emollient that helps soften the skin and can decrease moisture loss. Helps create a nice product texture~2–2.4%
C12-15 alkyl benzoateKey active· EmollientEffect: MediumEnhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth~6.2–7.6%
Caprylyl methiconeEffect: LowA type of silicone that helps to soften the upper layer of the skin and create a nice product finish on the skin~1.2–1.4%
Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~0.25–0.5%
Caprylyl glycol· Humectant, EmollientEffect: LowHelps preserve products and creates a nice product texture~0.5–0.7%
Propylene glycol· HumectantEffect: LowHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating~0.35–0.6%
Camellia sinensis leaf extractEffect: LowCan contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation~0.7–1.05%
AllantoinUnder-dosedEffect: HighHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.5–0.75%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.55–0.8%
LecithinEffect: Low, below effective doseUsed mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin~0.55–0.8%
Anti-blemish
Not advertised by the brand · 3 ingredients credited for this claim
Strong support

This product can help reduce breakouts and clogged pores because it contains the following ingredient: niacinamide. This ingredient is used for treating acne and can have a noticeable effect.

NiacinamideHeroEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.75–1.15%
Camellia sinensis leaf extractEffect: LowCan contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation~0.7–1.05%
AllantoinEffect: Low, below effective doseHelps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated~0.5–0.75%
Anti-aging
Not advertised by the brand · 3 ingredients credited for this claim
Strong support

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains niacinamide.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

This product can also 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.

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~0.75–1.15%
Camellia sinensis leaf extractEffect: LowCan contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation~0.7–1.05%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.55–0.8%
Anti-oxidation
Not advertised by the brand · 6 ingredients credited for this claim
Moderate support

This product contains antioxidants (camellia sinensis leaf extract) that might be able to help neutralize free radicals in skin to lessen the damage it gets from the UV light (sun). There is not enough evidence to confirm their effectiveness in skin though.

Camellia sinensis leaf extractKey activeEffect: MediumCan contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation~0.7–1.05%
Kappaphycus alvarezii extractEffect: LowA red algae extract that can help attract water to the upper layer of the skin and might have some antioxidant properties~0.5–0.75%
Arctium lappa root extractEffect: LowPlant extract. Has some anti-microbial and anti-oxidant properties. Can be irritating~0.5–0.75%
Saccharomyces/rice ferment filtrateEffect: LowA product of yeast fermentation. Can contain humectants that help attract water to the upper layer of the skin and might help neutralize free oxidants~0.7–1.05%
TocopherolUnder-dosedEffect: HighPure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.55–0.8%
BisabololEffect: Low, below effective doseAn active component of chamomile plant that historically has been used to calm down irritated skin. A recent study shows that bisabolol indeed can have some anti-inflammatory effect on skin, even though conclusive data is lacking. Bisabolol has a sweet floral scent and can be added to products for its aromatic properties~0.5–0.75%

Can it cause trouble?

Irritancy
9 flagged ingredients
Low risk
We flag 9 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.
IngredientFunctionIrritationEst. amount
Arctium lappa root extractPlant extract. Has some anti-microbial and anti-oxidant properties. Can be irritatingHigh~0.5–0.75%est.
Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~0.35–0.6%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~5.3–6.5%est.
Lauryl peg-8 dimethiconeA type of silicone that helps water and oil mix togetherMedium~3.2–3.9%est.
Hydrolyzed silkCan help attract water to the upper layer of the skinMedium~0.6–0.9%est.
Caprylyl glycolHelps preserve products and creates a nice product textureMedium~0.5–0.7%est.
Polyglyceryl-4 diisostearate/polyhydroxystearate/sebacateHelps water and oil mix togetherMedium~0.35–0.6%est.
Hexylene glycolHelps create a more spreadable product textureMedium~0.15–0.3%est.
EthylhexylglycerinA preservativeMedium~0.15–0.3%est.
Comedogenic
1 ingredient rated 2 or more on the 0–5 pore-clogging scale
1 flagged
These ingredients have a comedogenic rating of 2 or more on a 0–5 scale; the table shows each one's rating. In leave-on products they can clog pores in acne-prone skin.
IngredientFunctionRatingEst. amount
Theobroma cacao seed extract—3/5~0.5–0.8%est.
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Ingredients

Filter by role to see what each ingredient is doing.

Zinc oxide10%
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
Water~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
C12-15 alkyl benzoate~6.2–7.6%
Key active
Irritation risk
Low
Works for
Moisturizing

Enhances the product texture and makes it more spreadable. Helps reduce water loss from the outer layer of skin. Extands the shelf life by preventing bacteria growth

More about C12-15 alkyl benzoate
Caprylic/capric triglyceride~5.3–6.5%
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
Lauryl peg-8 dimethicone~3.2–3.9%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

A type of silicone that helps water and oil mix together

More about Lauryl peg-8 dimethicone
Dimethicone~2.5–3%
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
Isododecane~2–2.4%
Key active
Irritation risk
Low
Works for
Moisturizing

An emollient that helps soften the skin and can decrease moisture loss. Helps create a nice product texture

More about Isododecane
Tridecyl salicylate~1.6–2%
Formula
Irritation risk
Low
More about Tridecyl salicylate
Hdi/trimethylol hexyllactone crosspolymer~1.6–2%
Formula
Irritation risk
Low

Used to create a silky product texture and add volume to products

More about Hdi/trimethylol hexyllactone crosspolymer
Propanediol~1.4–1.8%
Formula
Irritation risk
Low

Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin

More about Propanediol
Caprylyl methicone~1.2–1.4%
Formula
Irritation risk
Low
Works for
Moisturizing

A type of silicone that helps to soften the upper layer of the skin and create a nice product finish on the skin

More about Caprylyl methicone
Polymethylsilsesquioxane~1.1–1.3%
Key active
Irritation risk
Low
Works for
Moisturizing

A silicone that improves product texture and helps dissolve other ingredients. Can form a non-greasy film on the skin to prevent moisture loss

More about Polymethylsilsesquioxane
Niacinamide~0.75–1.15%
Hero · Moisturizing, Anti-blemish
Irritation risk
Low
Works for
Evens skin toneAnti-agingMoisturizingAnti-blemishReduces irritationAnti-inflammatoryAntibacterialReduces redness

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

More about Niacinamide
Saccharomyces/rice ferment filtrate~0.7–1.05%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidation

A product of yeast fermentation. Can contain humectants that help attract water to the upper layer of the skin and might help neutralize free oxidants

More about Saccharomyces/rice ferment filtrate
Silica~1.1–1.3%
Formula
Irritation risk
Low

Used to absorb oil and can temporarily mattify skin

More about Silica
Squalane~0.7–1.05%
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
Camellia sinensis leaf extract~0.7–1.05%
Key active
Irritation risk
Low
Works for
Anti-oxidationAntibacterialAnti-agingAnti-blemishEvens skin toneMoisturizing

Can contain potent anti-oxidant compounds (abbreviated ECG, GCG, EGC, and EGCG) that might help protect the skin from free radicals. Can help calm down inflammation and has some anti-bacterial properties. Unfortunately, these antioxidants are unstable and lose their effectiveness very quickly in products. The concentration of the antioxidant compounds in the extract also tends to be low to be effective in topical formulation

More about Camellia sinensis leaf extract
Cladosiphon okamuranus extract~0.6–0.9%
Formula
Irritation risk
Low
More about Cladosiphon okamuranus extract
Hydrolyzed silk~0.6–0.9%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Can help attract water to the upper layer of the skin

More about Hydrolyzed silk
Bisabolol~0.5–0.75%
Formula
Irritation risk
Low
Works for
Anti-inflammatoryReduces irritationAnti-oxidation

An active component of chamomile plant that historically has been used to calm down irritated skin. A recent study shows that bisabolol indeed can have some anti-inflammatory effect on skin, even though conclusive data is lacking. Bisabolol has a sweet floral scent and can be added to products for its aromatic properties

More about Bisabolol
Allantoin~0.5–0.75%
Under-dosed
Irritation risk
Low
Works for
Anti-inflammatoryMoisturizingReduces irritationAnti-blemishReduces rednessExfoliation

Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated

More about Allantoin
Tocopherol~0.55–0.8%
Under-dosed
Irritation risk
Low
Works for
Anti-oxidationAnti-inflammatoryAnti-agingMoisturizing

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol
Theobroma cacao seed extract~0.5–0.8%
Comedogenic 3/5
Irritation risk
Low
Comedogenicity
3/5
More about Theobroma cacao seed extract
Arctium lappa root extract~0.5–0.75%
Irritant · high
Irritation risk
High
Works for
Anti-oxidation

Plant extract. Has some anti-microbial and anti-oxidant properties. Can be irritating

More about Arctium lappa root extract
Kappaphycus alvarezii extract~0.5–0.75%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-oxidation

A red algae extract that can help attract water to the upper layer of the skin and might have some antioxidant properties

More about Kappaphycus alvarezii extract
Sodium hyaluronate~0.5–0.75%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate
Lecithin~0.55–0.8%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

Used mostly for creating emulsions - helping oil and water mix together. Helps soften the upper layer of the skin

More about Lecithin
Caesalpinia spinosa fruit extract~0.5–0.75%
Formula
Irritation risk
Low
More about Caesalpinia spinosa fruit extract
Lactobacillus~0.45–0.7%
Key active
Irritation risk
Low
Works for
Moisturizing

A non-living ingredient made by fermentation with the bacteria Lactobacillus. It can help attract water to the upper layer of the skin and might help reduce inflammation

More about Lactobacillus
Maltodextrin~0.45–0.7%
Formula
Irritation risk
Low
Works for
Mattifying

Used to stabilize the product formulation and can help absorb oil

More about Maltodextrin
Caprylyl glycol~0.5–0.7%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Helps preserve products and creates a nice product texture

More about Caprylyl glycol
Dimethicone crosspolymer~0.45–0.65%
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
Hydrogenated lecithin~0.45–0.65%
Formula
Irritation risk
Low
Works for
Cleansing

Helps to retain moisture by creating a protective barrier on the skin. Rich in fatty acids. Improves product texture and helps with the penetration of other ingredients.

More about Hydrogenated lecithin
Tetrasodium glutamate diacetate~0.4–0.6%
Formula
Irritation risk
Low

Helps stabilize the product formulation

More about Tetrasodium glutamate diacetate
Peg-10~0.35–0.65%
Formula
Irritation risk
Low
More about Peg-10
Polyglyceryl-2 dipolyhydroxystearate~0.4–0.6%
Key active
Irritation risk
Low
Works for
Moisturizing

Helps to soften the upper layer of the skin

More about Polyglyceryl-2 dipolyhydroxystearate
Propylene glycol~0.35–0.6%
Irritant · high
Irritation risk
High
Works for
Moisturizing

Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating

More about Propylene glycol
Lauryl peg-10 tris(trimethylsiloxy)silylethyl dimethicone~0.35–0.6%
Formula
Irritation risk
Low
Works for
Cleansing
More about Lauryl peg-10 tris(trimethylsiloxy)silylethyl dimethicone
Polyglyceryl-4 diisostearate/polyhydroxystearate/sebacate~0.35–0.6%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together

More about Polyglyceryl-4 diisostearate/polyhydroxystearate/sebacate
Butylene glycol~0.25–0.5%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol
Phosphoric acid~0.25–0.5%
Formula
Irritation risk
Low

Helps regulate pH level of products

More about Phosphoric acid
Sodium hydroxide~0.2–0.35%
Formula
Irritation risk
Low

Used to adjust the product's pH

More about Sodium hydroxide
Sodium chloride~0.2–0.35%
Formula
Irritation risk
Low

Used to stabilize mixtures of oil and water, and create thicker, gel-like product textures

More about Sodium chloride
Hexylene glycol~0.15–0.3%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps create a more spreadable product texture

More about Hexylene glycol
Ethylhexylglycerin~0.15–0.3%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Phenoxyethanol~0.15–0.3%
Formula
Irritation risk
Low

A preservative. It helps prevent bacterial growth in cosmetic products

More about Phenoxyethanol
Iron oxides~0.1–0.2%
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
Ingredient list view

Zinc oxide, Water, C12-15 alkyl benzoate, Caprylic/capric triglyceride, Lauryl peg-8 dimethicone, Dimethicone, Isododecane, Tridecyl salicylate, Hdi/trimethylol hexyllactone crosspolymer, Propanediol, Caprylyl methicone, Polymethylsilsesquioxane, Niacinamide, Saccharomyces/rice ferment filtrate, Silica, Squalane, Camellia sinensis leaf extract, Cladosiphon okamuranus extract, Hydrolyzed silk, Bisabolol, Allantoin, Tocopherol, Theobroma cacao seed extract, Arctium lappa root extract, Kappaphycus alvarezii extract, Sodium hyaluronate, Lecithin, Caesalpinia spinosa fruit extract, Lactobacillus, Maltodextrin, Caprylyl glycol, Dimethicone crosspolymer, Hydrogenated lecithin, Tetrasodium glutamate diacetate, Peg-10, Polyglyceryl-2 dipolyhydroxystearate, Propylene glycol, Lauryl peg-10 tris(trimethylsiloxy)silylethyl dimethicone, Polyglyceryl-4 diisostearate/polyhydroxystearate/sebacate, Butylene glycol, Phosphoric acid, Sodium hydroxide, Sodium chloride, Hexylene glycol, Ethylhexylglycerin, Phenoxyethanol, Iron oxides

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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
Tatcha US DEVThe Silk Sunscreen SPF 50YOUR PRODUCTTatchaTHE SILK SUNSCREEN SPF 50ColorescienceSunforgettable Total Protection™ Face Shield Flex SPF 50SkingredientsSkin Shield SPF 50 PA+++
Match—98%83%81%
Price$64.00—$45.00−$19.00$67.42+$3.42
Shared key ingredients—14 of 146 of 147 of 14
Key difference——Butyloctyl SalicylateButyloctyl Salicylate
Irritancy Low Low Low Low
SPFSPF 50SPF 50SPF 50SPF 50
Drying alcohol————
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Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 21 studies and safety reviews.

  1. 1
    A review of inorganic UV filters zinc oxide and titanium dioxideonlinelibrary.wiley.com
  2. 2
    Risk assessment of zinc oxide, a cosmetic ingredient used as a UV filter of sunscreensncbi.nlm.nih.gov
  3. 3
    Characterization of the UVA protection provided by avobenzone, zinc oxide, and titanium dioxide in broad-spectrum sunscreen productsncbi.nlm.nih.gov
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Tatcha US DEV The Silk Sunscreen SPF 50
Tatcha US DEVThe Silk Sunscreen SPF 50
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Buy at Tatcha$64.00Amazon

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