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 85 of 101

Soothing
Snail Secretion Filtrate

Snail-derived filtrate rich in glycoproteins and hyaluronic acid, used for hydration and repair.

humectantbarrier-support
Hydrates and supports repairImproves skin feel
+ Centella Asiatica+ Hyaluronic Acid
Humectant
Snow Mushroom
Tremella Fuciformis Sporocarp Extract

A mushroom-derived polysaccharide humectant with a small particle size for lightweight hydration.

antioxidant
Lightweight hydrationAntioxidant support
+ Hyaluronic Acid
Other
Sodium Acetate

The sodium salt of acetic acid used as a pH buffering and adjusting agent in cosmetic formulations, particularly in low-pH cleansers.

pH adjusterbuffering agent
Maintains and stabilizes formula pHActs as a buffering agent in low-pH cleansers and toners
Active
Sodium Acetyl SH-Oligopeptide-1

The N-acetylated, sodium salt form of sh-oligopeptide-1 (recombinant EGF), a bioengineered epidermal growth factor analogue used to stimulate keratinocyte proliferation, collagen synthesis, and skin renewal.

skin-conditioninganti-agingcollagen-stimulating
Stimulates skin cell renewal and collagen productionSupports firmness and elasticityImproves skin texture and tone
Humectant
Sodium Acetylated Hyaluronate

An acetylated form of sodium hyaluronate with enhanced surface-binding properties that provides long-lasting, film-forming hydration.

humectantfilm-former
More lipophilic than sodium hyaluronate — stays at skin surface longerLong-lasting surface hydrationForms a moisturizing film
Other
Sodium Acrylate Crosspolymer-2

A crosslinked sodium acrylate polymer used as a rheology modifier and film former in sunscreens and gel formulations; contributes to a light, non-greasy texture.

thickenerfilm-formingrheology-modifier
Creates stable, lightweight gel textures in sunscreens and emulsionsProvides water-binding film-forming properties
Other
Sodium Acrylate/Acryloyldimethyltaurate/Dimethylacrylamide Crosspolymer

A crosslinked acrylate polymer (sold as Simulgel ENS) that functions as an emulsion stabilizer and rheology modifier, distinct from Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer in both monomers and crosslinked architecture.

viscosity-increasingemulsion-stabilizingfilm-forming
stabilizes emulsions without heavy feelimproves texture and spreadabilitycreates lightweight gel textures
Other
Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

A synthetic acrylic copolymer (Simulgel EG) used to thicken and stabilize gel and emulsion formulas, producing smooth, elegant, non-tacky textures across a wide pH range.

thickeneremulsion-stabilizeremulsifier
Creates lightweight, non-tacky gel and gel-cream texturesStabilizes emulsions without greasinessCold-processable for gentle formulation
Other
Sodium Acrylate/Styrene Copolymer

Sodium salt of an acrylate/styrene copolymer used as a rheology modifier and film-former in water-based cosmetic formulas.

film-formingviscosity-controlling
Anionic copolymer providing viscosity control and emulsion stabilization in aqueous formulasCreates a light film-forming effect; used in Japanese lotions and toners for texture enhancement
Other
Sodium Acrylate/Vinyl Alcohol Copolymer

A synthetic copolymer of sodium acrylate and vinyl alcohol. Used in cosmetics as a film-forming agent and texture modifier, contributing to a silky, non-tacky skin feel in emulsions and sunscreens.

film-formingviscosity-increasingtexture enhancer
Provides a smooth, non-sticky textureHelps formulas spread evenly and feel silky on skin
Other
Sodium Acrylates Copolymer

A synthetic acrylic acid/sodium acrylate copolymer used as a thickener and emulsion stabilizer to create stable, smooth gel and gel-cream textures in serums and moisturizers.

thickeneremulsion-stabilizerfilm-former
Thickens and stabilizes gels, serums, and emulsionsCreates smooth, flowing textures
Other
Sodium Acrylates Crosspolymer-2

A crosslinked sodium acrylate polymer used as a thickener and emulsion stabilizer to create fluid, lightweight gel textures in sunscreens and moisturizers.

thickenerstabilizerrheology modifier
Creates lightweight, non-greasy textures in water-based formulationsStabilizes emulsions and suspensions
Generally well-tolerated; rare sensitivity possible in acrylic-sensitive individuals
Other
Sodium Acrylates/Sodium Acryloyldimethyltaurate Copolymer
SODIUM ACRYLATES/SODIUM ACRYLOYLDIMETHYLTAURATE COPOLYMER

A synthetic polymer thickener and emulsion stabilizer. Creates smooth, non-greasy textures and is commonly used in lightweight serums and emulsions. Related to the Aristoflex AVC/HMB class of polymers.

viscosity-increasingfilm-formeremulsion-stabilizer
Creates silky, lightweight textureStabilizes emulsions without traditional fatty emulsifiersWorks well in water-in-silicone systems
+ Dimethicone+ Glycerin
Other
Sodium Acrylic Acid/MA Copolymer

A sodium salt copolymer of acrylic acid and maleic acid (MA) used as a polymeric thickener and rheology modifier in cosmetic creams, lotions, and serums.

thickenerfilm-formerviscosity-modifier
Provides stable viscosity and gel texture in aqueous formulationsFilm-forming properties improve product spreadabilityCompatible with a wide pH range
Preservative
Sodium Anisate

The sodium salt of p-anisic acid (naturally derived from fennel/anise), used as a mild preservative that inhibits yeast and fungal growth in cosmetic formulations.

preservativemaskingfragrance
Prevents microbial growth (yeast and fungi)Gentle natural-derived preservative suitable for sensitive skinBiodegradable and low irritation potential
Most effective at pH 4.5–5.5; reduced efficacy outside that rangeBest used in combination with other preservatives rather than as a standalone system
Antioxidant
Sodium Ascorbate
SODIUM ASCORBATE

The sodium salt of ascorbic acid (vitamin C). More stable and less acidic than pure ascorbic acid, with a neutral pH. Used as an antioxidant and brightening agent in skincare. Found in Sana's eye cream.

antioxidantskin-brightening
Water-soluble vitamin C — antioxidant protectionSupports collagen synthesisSkin brightening
Less potent than ascorbic acid at equal concentrations — requires higher loading for brightening
+ Tocopherol+ Niacinamide+ Ferulic Acid
Active
Sodium Ascorbyl Phosphate

A stable, water-soluble vitamin C derivative gentle enough for acne-prone skin.

antioxidantvitamin-c
BrighteningAntioxidantMild and stable
Humectant
Sodium Aspartate

The sodium salt of the amino acid aspartic acid, used as a humectant and skin-conditioning agent that helps maintain skin hydration.

humectantskin-conditioning
Attracts and retains moisture in skinAmino acid derivative that supports skin's natural moisturizing factors
Preservative
Sodium Benzoate

A preservative effective in slightly acidic formulas.

ANTICORROSIVEMASKINGPRESERVATIVE
Protects against microbes
UV filter
Sodium Benzotriazolyl Butylphenol Sulfonate

A UV light stabilization ingredient (CAS 92484-48-5) that functions as a photostabilizer and color protectant in cosmetic formulations, determined safe by CIR Expert Panel at current use concentrations.

uv filterlight stabilizercolor protection
Protects colors and light-sensitive ingredients from photolytic degradationMaintains cosmetic formulation stability and appearance
Other
Sodium Bicarbonate

An inorganic bicarbonate salt (baking soda) used in cosmetics primarily as a pH adjuster and buffering agent, and occasionally as a mild abrasive in cleansing formulas.

ph-adjusterbuffering-agentabrasive
Neutralizes acids to raise and buffer formula pHGentle physical exfoliant in scrubs
Can disrupt skin barrier if applied at high concentrations without bufferingAlkaline pH can irritate sensitive skin with prolonged contact
Surfactant
Sodium C12-15 Alkyl Benzenesulfonate

A synthetic anionic alkylbenzenesulfonate surfactant derived from C12–C15 alkyl chains, used for its cleansing and foaming properties in wash-off personal care formulas.

surfactantcleansing
Effective cleansing and foam-generation in wash-off products
Anionic sulfonate surfactant; potential for mild skin irritation or barrier disruption at high use levels
Surfactant
Sodium C14-16 Olefin Sulfonate

An anionic surfactant with excellent cleansing and foaming properties, used in facial cleansers, shampoos, and body washes for its effective yet non-drying cleaning abilities.

surfactantcleansingfoam booster
Excellent cleansing power removes dirt, pollutants, and buildupCreates rich, stable foamMild and biodegradable, suitable for sensitive skin
May cause mild irritation in highly sensitive individuals at high concentrations
Other
Sodium Carbonate

Sodium carbonate (Na₂CO₃), also known as soda ash. Used as an alkalizing agent and pH adjuster in cosmetic formulas at low concentrations. Distinct from sodium bicarbonate (baking soda, NaHCO₃).

ph-adjusteralkalizing-agent
Used as a pH adjuster/alkalizing agent to raise formula pH and maintain stabilityFunctions at trace concentrations — well below irritation thresholds in finished products
Strongly alkaline in solution; can be irritating at high concentrationsUsed at trace amounts in finished cosmetics — not a primary active