Tatcha TATCHA THE SILK SUNSCREEN

47 entries · the stored declaration is recorded as complete.

• Zinc Oxide

  Bulking agent (adds volume)Colorant (adds colour)Light stabiliser (protects the formula from light)Oral care (CosIng functional class)Preservative (inhibits microbial growth)Skin protecting (CosIng functional class)UV absorber (protects the formula from light, not a sunscreen filter)UV filter (filters UV rays)

  A mineral UV filter that absorbs ultraviolet light, the core sun-protection job in this product. It also helps protect the skin surface and can add whiteness or opacity. On some labels it appears as CI 77947 when used for colour.

• Water

  Antiplaque (CosIng functional class)otherSkin conditioning (CosIng functional class)Solvent (dissolves other ingredients)

  The base liquid that most of the other ingredients dissolve or spread into. It carries the formula and helps condition the skin surface.

  listed as “AQUA/WATER/EAU”

• C12-15 Alkyl Benzoate

  Emollient (softens and smooths skin)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)

  This is a lightweight oily ingredient that softens and smooths the skin. It also helps keep the product fresh by limiting microbe growth.

• Caprylic/Capric Triglyceride

  Emollient (softens and smooths skin)Fragrance ingredient (scent)Occlusive (CosIng functional class)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)

  A light oil used as a solvent to dissolve other ingredients and as an occlusive that forms a layer helping hold in moisture. It can also add a bit of scent.

• Lauryl Peg-8 Dimethicone

  Surfactant (cleanses or mixes oil and water)

  A silicone-based cleansing agent. It helps lift away oil and dirt from the skin.

• Dimethicone

  Antifoaming (stops the formula foaming)Emollient (softens and smooths skin)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)

  A silicone that softens and smooths skin feel and forms a protective layer on the surface. It also cuts down foam during production, keeping the formula settled.

• Isododecane

  Emollient (softens and smooths skin)Fragrance ingredient (scent)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)

  A light fluid that acts as a solvent, keeping other ingredients dissolved and evenly blended. It also softens skin feel and can carry fragrance. It leaves a quick, non-heavy finish as it spreads.

• Tridecyl Salicylate

  Antistatic (reduces static)Skin conditioning (CosIng functional class)

  A skin-conditioning ingredient that leaves skin feeling smooth. It also has antistatic properties, cutting down static cling.

• Hdi/Trimethylol Hexyllactone Crosspolymer

  Anticaking (keeps powder free-flowing)

  A powdery polymer that keeps the product from clumping. This helps it stay loose and spread evenly.

• Propanediol

  Humectant (holds moisture)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)

  A solvent that dissolves other ingredients and helps them blend evenly. It also adjusts the thickness of the formula.

• Caprylyl Methicone

  Skin conditioning (CosIng functional class)

  A silicone-type skin-conditioning ingredient. It helps leave skin feeling smooth and conditioned.

• Polymethylsilsesquioxane

  Opacifier (makes the formula less see-through)

  This is an opacifier, meaning it makes the product look less see-through. It gives the formula a more solid, opaque appearance.

• Niacinamide

  otherSmoothing (CosIng functional class)

  An ingredient that smooths the skin's surface. In practice, it helps the product leave skin feeling even.

• Saccharomyces/Rice Ferment Filtrate

  Skin conditioning (CosIng functional class)

  This is the strained liquid from fermenting rice with yeast, used as a skin conditioner. That means it helps skin feel soft and smooth.

• Silica

  Abrasive (physically scrubs)Absorbent (takes up oil or water)Anticaking (keeps powder free-flowing)Bulking agent (adds volume)Opacifier (makes the formula less see-through)otherViscosity control (thickens or thins the formula)

  Silica is a fine mineral powder that soaks up excess moisture and oil, and adjusts how thick the product feels. It keeps powders from clumping, adds bulk, and can make a formula look more opaque. Its chemical name is silicon dioxide.

• Squalane

  Emollient (softens and smooths skin)Hair conditioning (CosIng functional class)Refatting (CosIng functional class)Skin conditioning (CosIng functional class)

  An emollient that softens and smooths the skin, and also conditions hair. It leaves a smooth feel and helps replace oils on the surface.

• Camellia Sinensis Leaf Extract

  Antioxidant (slows the formula oxidising)Astringent (CosIng functional class)Emollient (softens and smooths skin)Fragrance ingredient (scent)Humectant (holds moisture)Oral care (CosIng functional class)otherPreservative (inhibits microbial growth)Skin conditioning (CosIng functional class)Skin protecting (CosIng functional class)Tonic (CosIng functional class)UV absorber (protects the formula from light, not a sunscreen filter)

  An extract from tea leaves that does several jobs: it draws in and holds moisture, softens the skin, and works as an antioxidant. It also acts as an astringent and adds a mild scent. On labels this is the tea leaf extract.

• Cladosiphon Okamuranus Extract

  Skin conditioning (CosIng functional class)

  An extract from a brown alga that works as a skin conditioner. It helps keep skin feeling soft and comfortable.

• Hydrolyzed Silk

  Antistatic (reduces static)Hair conditioning (CosIng functional class)Humectant (holds moisture)Skin conditioning (CosIng functional class)

  A broken-down silk protein that conditions skin and hair while acting as a humectant, drawing in and holding moisture. It smooths skin and hair feel, helps keep them from drying out, and cuts static so hair sits flatter.

• Bisabolol

  Fragrance ingredient (scent)otherSkin conditioning (CosIng functional class)Soothing (CosIng functional class)

  A conditioning and soothing ingredient that also adds a light fragrance. It softens the skin's feel and contributes scent to the product. On labels it may also appear as Levomenol.

• Allantoin

  otherSkin conditioning (CosIng functional class)Skin protecting (CosIng functional class)Soothing (CosIng functional class)

  Allantoin is a skin-conditioning and skin-protecting ingredient with a soothing role. It helps keep skin feeling smooth and comfortable and forms a protective feel on the surface.

• Tocopherol

  Antioxidant (slows the formula oxidising)Fragrance ingredient (scent)Occlusive (CosIng functional class)otherSkin conditioning (CosIng functional class)

  Tocopherol is a form of vitamin E used as an antioxidant, which helps keep the formula from going off. It also conditions skin and forms a thin surface layer that slows moisture loss. You may see it listed simply as vitamin E.

• Theobroma Cacao Seed Extract

  Antioxidant (slows the formula oxidising)

  An extract from cocoa seeds that works as an antioxidant. That means it helps protect the formula from oxygen, which can otherwise cause it to spoil over time.

  listed as “THEOBROMA CACAO (COCOA) SEED EXTRACT”

• Arctium Lappa Root Extract

  Skin conditioning (CosIng functional class)

  An extract from burdock root that acts as a skin conditioner. That means it helps the product leave skin feeling smooth and comfortable.

• Kappaphycus Alvarezii Extract

  Skin conditioning (CosIng functional class)

  An extract from a red alga used as a skin-conditioning ingredient. It helps keep skin feeling soft and smooth.

• Sodium Hyaluronate

  Humectant (holds moisture)Skin conditioning (CosIng functional class)

  A moisture-grabbing ingredient that draws in and holds water. That keeps skin conditioned and helps it feel supple. It's the salt form of hyaluronic acid.

• Lecithin

  Antistatic (reduces static)Emollient (softens and smooths skin)otherSkin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)

  Lecithin helps oil and water mix and softens skin feel. That keeps the water and oil parts blended and smooths the skin, and it also reduces static. It shows up on labels simply as Lecithin.

• Caesalpinia Spinosa Fruit Extract

  Skin protecting (CosIng functional class)

  A fruit extract that works as a skin protector, helping shield the skin's surface.

• Lactobacillus

  otherSkin conditioning (CosIng functional class)

  Lactobacillus is a microorganism used here as a skin-conditioning ingredient. In practice it helps the product leave skin feeling soft and smooth.

• Maltodextrin

  Absorbent (takes up oil or water)Binder (holds the formula together)Emulsion stabiliser (keeps oil and water mixed)Film forming (leaves a thin coating)Hair conditioning (CosIng functional class)otherSkin conditioning (CosIng functional class)

  Maltodextrin is a multitasking carbohydrate. It soaks up excess liquid, holds ingredients together, keeps the oil-and-water mix stable, and forms a thin film while conditioning skin and hair.

• Caprylyl Glycol

  Deodorant (masks or reduces odour)Emollient (softens and smooths skin)Hair conditioning (CosIng functional class)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)

  A multi-tasker that conditions skin and hair and acts as a deodorant. As an emollient it softens and smooths, leaving skin feeling conditioned.

• Dimethicone Crosspolymer

  Emulsion stabiliser (keeps oil and water mixed)Hair fixing (holds hair in place)otherViscosity control (thickens or thins the formula)

  A silicone-based ingredient that keeps the oil and water parts from separating and adjusts how thick the product is. It also helps hold styling or film in place.

• Hydrogenated Lecithin

  Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)

  An ingredient that helps oil and water mix so the formula stays blended. It also conditions the skin, leaving it feeling smoother.

• Tetrasodium Glutamate Diacetate

  Chelating (binds metal ions in the formula)other

  This is a chelating agent. It binds trace metals that would otherwise spoil the formula.

• PEG-10

  Humectant (holds moisture)Solvent (dissolves other ingredients)

  A multi-use ingredient that draws in and holds moisture and acts as a solvent to dissolve other ingredients. This helps keep the product from drying out and keeps the mix uniform.

• Polyglyceryl-2 Dipolyhydroxystearate

  Skin conditioning (CosIng functional class)

  Polyglyceryl-2 Dipolyhydroxystearate is a skin-conditioning ingredient. It helps soften and smooth the feel of the skin.

• Propylene Glycol

  Fragrance ingredient (scent)Humectant (holds moisture)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)

  A multi-tasker that draws in and holds moisture, dissolves other ingredients as a solvent, and adjusts thickness. It also plays a role in fragrance and general skin conditioning. In practice it helps keep the product from drying out and keeps the texture consistent.

• Lauryl Peg-10 Tris(Trimethylsiloxy)Silylethyl Dimethicone

  Skin conditioning (CosIng functional class)Surfactant (cleanses or mixes oil and water)

  A silicone-based ingredient that helps oil and water mix and also cleanses. It keeps the blend even and conditions the skin, so the product spreads smoothly.

• Polyglyceryl-4 Diisostearate/Polyhydroxystearate/Sebacate

  Emulsion stabiliser (keeps oil and water mixed)Surfactant (cleanses or mixes oil and water)

  A multi-tasker that helps oil and water mix, keeps that blend stable, and lifts away dirt and oil. This means it holds the water and oil parts together and can help clean.

• Butylene Glycol

  Fragrance ingredient (scent)Humectant (holds moisture)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)Viscosity control (thickens or thins the formula)

  A multitasking liquid that acts as a humectant, solvent, and thickness adjuster, and carries a scent role. It draws in and holds moisture, dissolves other ingredients, and helps set the product's texture.

• Phosphoric Acid

  Buffering (holds the formula at a set acidity)

  This is a buffering agent, meaning it adjusts and steadies the product's acidity level. In practice it helps keep the formula's pH consistent.

• Sodium Hydroxide

  Buffering (holds the formula at a set acidity)Denaturant (makes alcohol undrinkable)other

  Sodium Hydroxide is a strongly alkaline ingredient used in tiny amounts to fine-tune a formula's acidity (buffering). This keeps the product's pH steady. It can also act as a denaturant, altering another substance so it stays fit for use in cosmetics rather than being consumed.

• Sodium Chloride

  Bulking agent (adds volume)Fragrance ingredient (scent)Oral care (CosIng functional class)otherViscosity control (thickens or thins the formula)

  Common table salt, used here mainly to adjust the thickness of the formula. It can also act as a bulking agent to add body, and shows up in oral care products. On labels it's simply salt.

• Hexylene Glycol

  Fragrance ingredient (scent)Humectant (holds moisture)Skin conditioning (CosIng functional class)Solvent (dissolves other ingredients)Surfactant (cleanses or mixes oil and water)

  A multi-tasking ingredient that acts as a solvent, dissolving other ingredients so they blend evenly. It also helps oil and water mix, cleanses, adds scent, and conditions the skin.

• Ethylhexylglycerin

  Deodorant (masks or reduces odour)Preservative (inhibits microbial growth)Skin conditioning (CosIng functional class)

  A multi-tasker that conditions the skin and works as a deodorant agent. It helps improve skin feel while cutting odor.

• Phenoxyethanol

  Preservative (inhibits microbial growth)

  This is a preservative that fights microbes. It helps keep the product from spoiling over time.

• Iron Oxides

  Colorant (adds colour)other

  A colorant that gives the product its shade. On labels it can also appear as CI 77491, CI 77492, or CI 77499.

  listed as “IRON OXIDES (CI 77491, 77492, 77499)”

Source

DailyMed drug label

Source record

https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=7799042a-d2de-480e-a8a3-827b3dc27907

Retrieved

5 August 2026

Market

United States

Formulation date

Not recorded

Version

v2 of this U.S. formulation

Verification confidence

High

Entries recorded

47

Record checksum

sha256:3a1ead63262eccc7983484f4ffcb157801e14338bfe6885dc86d0ff58a6ff5ba