The library

Ingredient library

Every ingredient SkinAtlas knows about — all 2402 of them. What each one does, what it works well with, and what to watch for.

All 2402 ingredients — page 92 of 101

Other
Styrene/Acrylates Copolymer

A synthetic copolymer of styrene and acrylic acid derivatives used as a film-former and opacifying agent in cosmetics, particularly sunscreens.

film-formeropacifyingviscosity-increasing
Provides water-resistance and film formation in sunscreens and makeupImproves product stability and long wear
Other
Styrene/VP Copolymer

A copolymer of styrene and vinylpyrrolidone used as a film-former and texture agent in skin and hair care formulations.

film-formerhair-fixingskin-conditioning
Provides lightweight film-forming propertiesImproves product texture and long-wear performance
Other
Succinic Acid

A naturally occurring dicarboxylic acid used in cosmetics primarily as a pH adjuster and mild chelating agent, with secondary humectant properties.

ph-adjusterchelatorhumectant
Adjusts and stabilizes formula pHMild chelating agentLight humectant properties
Other
Succinoglycan
SUCCINOGLYCAN

A natural exopolysaccharide produced by fermentation of Agrobacterium tumefaciens. Produces a distinctive elastic, gel-like texture at low concentrations. Used by Shiseido to create the signature skin feel in their toners and essences.

gelling agenttexture enhancerstabiliser
Creates a unique gel-like, bouncy skin feelStabilises emulsions and suspensions
+ Xanthan Gum+ Carbomer
Humectant
Sucrose

Common table sugar used in cosmetics as a gentle humectant that attracts water to the skin.

humectantskin-conditioning
Attracts and retains moistureGentle, skin-compatible humectant
Emollient
Sucrose Cocoate

A mixture of sucrose esters of coconut fatty acids used as a mild emollient, emulsifier, and gentle surfactant in skin care products; well-tolerated and considered skin-friendly.

emollientsurfactantemulsifier
Provides skin-softening emolliency from the fatty acid esterMild surfactant action for gentle cleansingPlant-derived and biodegradable
Emollient
Sucrose Distearate
SUCROSE DISTEARATE

A sucrose ester of stearic acid (diester form). A gentle, plant-derived non-ionic emulsifier and emollient. Used in elegant creams and lotions.

emulsifieremollient
Gentle, plant-derived emulsifierSkin conditioning
+ Glyceryl Stearate+ Cetearyl Alcohol
Surfactant
Sucrose Laurate

A sucrose ester of lauric acid used as a mild, plant-derived emulsifier and surfactant in cleansers and emulsions.

emulsifiersurfactantskin-conditioning
Mild, naturally-derived sugar ester surfactant suitable for sensitive skinBiodegradable and plant-derived
Emollient
Sucrose Palmitate

A sugar-derived emulsifier and emollient with a soft, conditioning finish.

emulsifieremollient
Gentle emulsificationSkin-conditioning
Emollient
Sucrose Polystearate
SUCROSE POLYSTEARATE

A sucrose ester of stearic acid used as a nonionic emulsifier and skin-conditioning agent. Derived from sugar and vegetable fatty acids; gentle and suitable for sensitive skin formulas.

emollientemulsifier
Plant-derived emulsifierGentle and non-irritatingSkin-softening
+ Cetearyl Alcohol+ Glycerin
Surfactant
Sucrose Stearate

A sugar ester of stearic acid that acts as a mild nonionic emulsifier for oil-in-water systems, with a high HLB and skin-conditioning properties.

emulsifieremollient
Gentle, plant-derived oil-in-water emulsificationLeaves a soft, conditioning finish on skinFree of ethoxylated compounds — suitable for natural formulations
Emollient
Sucrose Tetrastearate Triacetate

A sucrose ester formed from stearic acid and acetic acid providing emollient and occlusive properties, used in lip products and rich skin creams.

emollientskin-conditioningocclusive
Provides a rich, emollient skin feelSupports lip and skin barrier with occlusive properties
Active
Sulfur

An OTC-approved acne-treatment active (up to 10%) that works via antimicrobial and mild keratolytic mechanisms to reduce breakouts and control oil.

antimicrobialkeratolyticsebum-control
Reduces acne-causing bacteria and fungal organismsPromotes shedding of dead skin cells (keratolytic effect)Controls excess sebum production
Can cause dryness, peeling, and irritation especially at higher concentrationsDistinct odor that some users find unpleasant
Emollient
Sunflower Seed Oil
Helianthus Annuus Seed Oil

A linoleic-acid-rich plant oil that softens skin and supports the barrier without heaviness.

emollientantioxidant
Lightweight emollientBarrier support from linoleic acidMild antioxidant from vitamin E
Generally well tolerated
Antioxidant
Superoxide Dismutase

An enzyme antioxidant that converts superoxide radicals into hydrogen peroxide and oxygen, protecting cells from oxidative damage with decades of safe use in cosmetics.

antioxidantskin protecting
Protects cells from free radical damage and oxidative stressReduces inflammation and calms skinMaintains skin youth and vitality
Exfoliant
Sweet Almond Seedcake
Prunus Amygdalus Dulcis Seed Powder

Defatted almond seed meal (the residual cake after pressing sweet almond oil) used as a mild physical exfoliant and absorbent in cleansers and scrubs.

exfoliantabsorbent
Gentle physical exfoliation to smooth skin textureAbsorbs excess oil
Avoid contact with eyes; nut-derived — those with tree-nut allergies should patch test
Antioxidant
Swertia Chirata Leaf Extract

Extract from the leaves of Swertia chirata (Chirayita), a Himalayan bitter herb. Used in K-beauty for its potent antioxidant and anti-inflammatory bitter iridoid glycosides.

antioxidantanti-inflammatoryskin-conditioning
Rich in swertiamarin and amarogentin for strong antioxidant protectionReduces skin inflammation and soothes reactive skinBrightening effect from inhibiting melanin-related oxidation
+ Niacinamide+ Tocopherol
Active
Swertia Japonica Extract
SWERTIA JAPONICA EXTRACT

Extract from Swertia japonica (Japanese swertia or Japanese gentian). Contains swertiamarin, gentiopicroside, and other iridoid glycosides with soothing and traditional skin-brightening applications.

soothingskin-conditioningbrightening
Soothes inflammationTraditional Japanese medicinal herb for skin clarity
+ Dipotassium Glycyrrhizate+ Tranexamic Acid
Humectant
Swiftlet Nest Extract

An extract derived from edible swiftlet nests (made of swiftlet saliva) rich in glycoproteins, sialic acid, and amino acids that condition and hydrate the skin.

skin-conditioninghumectantantioxidant
Provides hydration via glycoproteins, sialic acid, and polysaccharidesAntioxidant protection from environmental damageMay inhibit tyrosinase activity for brightening effect
Other
Synthetic Beeswax

A petroleum-derived or Fischer-Tropsch process wax mimicking the ester composition of natural beeswax, used as a vegan-friendly structuring agent and emollient in balms, sticks, and solid cosmetics.

emollientthickeneremulsifierstructuring agent
Provides structure and consistency to balms, lipsticks, and solid emollientsVegan-friendly alternative to natural beeswax with consistent purityImparts smooth, non-tacky texture
No known risks at typical cosmetic concentrations; petroleum-derived origin may be a concern for clean-beauty formulations
Other
Synthetic Fluorophlogopite
SYNTHETIC FLUOROPHLOGOPITE

A lab-synthesized fluorine-containing mica (potassium magnesium aluminosilicate fluoride). Free of heavy-metal contaminants found in natural mica. Used in sunscreens and BB creams for silky texture and optical diffusion.

slip agentoptical brightenersoft-focus
Creates a silky, smooth skin feelSoft-focus effect from light-reflecting plateletsHeavy-metal free unlike natural mica
+ Dimethicone+ Titanium Dioxide
Other
Synthetic Fluorphlogopite

A synthetic fluorine-modified mica (fluorphlogopite) used as a colorant and pearlescent pigment in cosmetics, offering superior batch consistency and purity compared to natural mica.

opacifiercoloranttexture-enhancer
Adds radiance, luminosity and soft-focus shimmerMore uniform particle size and higher purity than natural micaImproves spreadability and payoff
Other
Synthetic Wax

A petroleum- or ketone/aldehyde-based synthetic wax used to structure and thicken anhydrous formulas such as lip balms, sticks, and waxy emulsions.

thickenerfilm-formerstructuring-agent
Adds structure and hardness to balms and solid formulasImproves texture consistency and payoff in color cosmeticsPredictable, batch-to-batch consistent performance
Antioxidant
Syringa Vulgaris Extract

An extract from Syringa vulgaris (common lilac) containing phenylpropanoids and polyphenols, used in cosmetics for antioxidant and skin-conditioning properties.

antioxidantskin-conditioning agentastringent
Antioxidant protection from phenolic compounds and phenylpropanoidsMild astringent and toning propertiesSkin-conditioning effect
May cause sensitivity in individuals with fragrance or Oleaceae family allergies; lilac contains fragrant components naturally