The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen

Tatcha

The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen

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About this product

The Tatcha The Silk Sunscreen SPF 50 Weightless Mineral Sunscreen is a sunscreen. Our analysis of its 47 ingredients (37 low-risk) rates it Excellent (99/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Sunscreen
Ingredients
47
Low-risk
37
Fragrance
Fragrance-free
Origin
United States
SPF
50 · blocks 98.0% UVB

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 14/11
Good for dry skin
C12-15 Alkyl Benzoate Squalane Isododecane Caprylic/Capric Triglyceride Caprylyl Glycol Butylene Glycol Sodium Hyaluronate Propylene Glycol Polyglyceryl-2 Dipolyhydroxystearate Hydrolyzed Silk Camellia Sinensis Leaf Extract Dimethicone PEG-10 Lecithin
Caution for dry skin
Dimethicone Crosspolymer Maltodextrin Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate Hexylene Glycol Hydrogenated Lecithin Camellia Sinensis Leaf Extract Sodium Hydroxide Silica Lecithin Lauryl PEG-8 Dimethicone Lauryl PEG-10 Tris(Trimethylsiloxy)silylethyl Dimethicone
Oily/Acne-Prone Skin 1/1
Good for oily/acne-prone skin
Camellia Sinensis Leaf Extract
Caution for oily/acne-prone skin
Polyglyceryl-2 Dipolyhydroxystearate
Sensitive Skin 4/9
Good for sensitive skin
Zinc Oxide Camellia Sinensis Leaf Extract Dimethicone Allantoin
Caution for sensitive skin
Sodium Chloride Isododecane Caprylic/Capric Triglyceride Butylene Glycol Propylene Glycol Phosphoric Acid Hexylene Glycol Camellia Sinensis Leaf Extract Phenoxyethanol

Ingredients list

47 total
Lower hazard (1) Higher hazard (4)
All47 Skin Conditioning39 Humectant8 Solvent8 Emollient8 Fragrance8 Skin Protecting7 Surfactant6 Viscosity Controlling6
EWG CIR Ingredient Name & Cosmetic Functions Notes
2
3
Zinc Oxide
(Bulking Agent, Cosmetic Colorant, Skin Protecting, Sunscreen Agent)
Good for Oily Skin
Good for Oily Skin
1
Water
(Solvent)
1
A
C12-15 Alkyl Benzoate
(Skin Conditioning, Emollient, Antimicrobial)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
A
Lauryl PEG-8 Dimethicone
(Surfactant)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
B
Isododecane
(Fragrance, Solvent, Emollient, Perfuming)
1
B
Tridecyl Salicylate
(Skin Conditioning, Antistatic Agent)
1
A
HDI/Trimethylol Hexyllactone Crosspolymer
(Anticaking Agent)
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
1
Caprylyl Methicone
(Skin Conditioning)
1
Polymethylsilsesquioxane
(Opacifying)
1
A
Niacinamide
(Hair Conditioning, Skin Conditioning, Smoothing)
Saccharomyces/Rice Ferment Filtrate
(Skin Conditioning)
1
2
A
Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling)
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
B
Camellia Sinensis Leaf Extract
(Antimicrobial, Antioxidant, Astringent, Emollient, Humectant, Masking, Oral Care Agent, Skin Conditioning, Skin Protecting, Tonic, Uv Absorber)
Good for Oily Skin
Good for Oily Skin
1
Cladosiphon Okamuranus Extract
(Skin Conditioning)
1
A
Hydrolyzed Silk
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant)
Bisabolol
(Fragrance, Skin Conditioning, Soothing)
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)
Theobroma Cacao Seed Extract
(Antioxidant)
1
Arctium Lappa Root Extract
(Skin Conditioning)
Kappaphycus Alvarezii Extract
(Skin Conditioning)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
2
3
Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient)
Caesalpinia Spinosa Fruit Extract
(Skin Protecting)
Lactobacillus
(Skin Conditioning)
1
A
Maltodextrin
(Absorbent, Binding Agent, Emulsion Stabilising, Film Forming, Hair Conditioning, Skin Conditioning, Suspending Agent Nonsurfactant, Binding)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Dimethicone Crosspolymer
(Emulsion Stabilising, Hair Fixing, Suspending Agent Nonsurfactant, Viscosity Increasingagent Nonaqueous, Viscosity Controlling)
2
A
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant)
1
Tetrasodium Glutamate Diacetate
(Chelating Agent)
3
A
PEG-10
(Humectant, Solvent)
1
Polyglyceryl-2 Dipolyhydroxystearate
(Skin Conditioning Agent Occlusive)
3
B
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
A
Lauryl PEG-10 Tris(Trimethylsiloxy)silylethyl Dimethicone
(Emulsifying, Surfactant)
1
Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate
(Emulsifying, Emulsion Stabilising, Surfactant)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
B
Phosphoric Acid
(Fragrance, Ph Adjuster, Buffering Agent)
3
B
Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent)
1
Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling)
1
A
Hexylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Emulsifying, Perfuming, Skin Conditioning, Surfactant)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
2
Iron Oxides
(Colorant, Cosmetic Colorant)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Zinc Oxide
Skin Protecting
C12-15 Alkyl Benzoate
Skin Conditioning, Emollient
Caprylic/Capric Triglyceride
Emollient, Skin Conditioning
Dimethicone
Skin Protecting, Emollient
Isododecane
Emollient
Tridecyl Salicylate
Skin Conditioning

Benefits

Fungal-acne (Malassezia) safe
Good for dry skin

Concerns

Contains paraben
Contains silicone
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
C12-15 Alkyl Benzoate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollientAntimicrobial
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Lauryl PEG-8 Dimethicone
Surfactant
Limited public safety data.Read moreShow less
EWG N/A CIR A Surfactant
Isododecane
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B FragranceSolventEmollientPerfuming
Tridecyl Salicylate
Skin conditioning, Antistatic agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningAntistatic agent
HDI/Trimethylol Hexyllactone Crosspolymer
Anticaking agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Anticaking agent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Caprylyl Methicone
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
Polymethylsilsesquioxane
Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 Opacifying
Niacinamide
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningSmoothing
Saccharomyces/Rice Ferment Filtrate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Silica
Abrasive, Absorbent
Low-hazard ingredient.Read moreShow less
EWG 1–2 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingViscosity controlling
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Cladosiphon Okamuranus Extract
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioning
+ 24 more — see the full ingredients list above
Zinc Oxide
Bulking agent, Cosmetic colorant
Low-to-moderate hazard.Read moreShow less
EWG 2–3 Bulking agentCosmetic colorantSkin protectingSunscreen agent Good for Oily Skin
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Camellia Sinensis Leaf Extract
Antimicrobial, Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B AntimicrobialAntioxidantAstringentEmollientHumectantMaskingOral care agentSkin conditioningSkin protectingTonicUv absorber Good for Oily Skin
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Propylene Glycol
Fragrance, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceHumectantSkin-conditioningagent - miscellaneousSolventViscosity decreasing agentSkin conditioningViscosity controlling Good for Dry Skin
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben

How to use

How to use

  • 1 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Niacinamide 2–5% (up to 10%)

Most research uses 2–5%; some formulas go to 10%. Very high levels can cause flushing in sensitive skin.

Niacinamide

INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.

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