The library

Ingredient library

Every ingredient SkinAtlas knows about — all 2178 of them. What each one does, what it works well with, and what to watch for.

All 2178 ingredients — page 10 of 91

Antioxidant
Beta Vulgaris Root Extract

An extract from red beet roots rich in betalain antioxidant pigments (betacyanins and betaxanthins) used to protect skin from oxidative stress.

antioxidanthumectant
Antioxidant protection via betalain pigmentsHydrates and conditions skin
Deep red pigment can temporarily tint formulas and skin
Antioxidant
Beta-Carotene
BETA-CAROTENE

A carotenoid pigment found in carrots, algae, and other plants. Functions as an antioxidant and as provitamin A (converts to retinol in the body). In skincare, also used as a colorant and antioxidant booster.

antioxidantcolorant
Antioxidant — neutralizes free radicalsProvitamin A precursorWarm, radiant skin tone
+ Tocopherol+ Vitamin C
Fragrance
Beta-Caryophyllene

A bicyclic sesquiterpene found in essential oils of clove, black pepper, and copaiba. Functions as both a natural fragrance ingredient and a mild anti-inflammatory active via CB2 receptor activity.

fragrancesoothing
Spicy, woody sesquiterpene naturally found in clove, black pepper, and cannabis with dual fragrance and anti-inflammatory rolesSelective CB2 endocannabinoid receptor agonist with documented anti-inflammatory and skin-calming properties
Humectant
Beta-Glucan

A polysaccharide humectant that hydrates and calms; often compared to hyaluronic acid.

soothing
Deep hydrationSoothes and supports the barrier
+ Hyaluronic Acid+ Niacinamide
Barrier support
Beta-Sitosterol

A plant sterol (phytosterol) structurally analogous to cholesterol that supports the skin's lipid barrier, reduces inflammation, and soothes sensitive skin.

barrier-supportsoothing
Supports and reinforces the skin barrierSoothes irritation and rednessPlant-derived analogue to skin cholesterol
Humectant
Betaine

A gentle humectant derived from sugar beets.

HydrationHelps reduce irritation potential
Exfoliant
Betaine Salicylate

A salt of betaine and salicylic acid (CAS 17671-53-3) used as a mild BHA exfoliant in Korean skincare; provides keratolytic and pore-clearing activity with significantly less irritation than free salicylic acid.

keratolyticexfoliantantimicrobialhumectant
Gentle BHA exfoliation — dissolves intercellular bonds between dead skin cells and penetrates sebum-filled poresReduces blackheads and minimizes pore appearanceMilder irritation profile than salicylic acid, suitable for sensitive and acne-prone skin
Increases sun sensitivity — daily broad-spectrum SPF required during useAvoid combining with multiple strong exfoliants (AHAs, retinoids) on sensitive or compromised skin
+ Niacinamide
Humectant
Betaphycus Gelatinum Extract

An extract from Betaphycus gelatinum, a red algae (carrageenan-type seaweed), used in cosmetics for its hydrating and film-forming properties.

humectantfilm-forming
Hydrates and conditions skinForms a moisturizing film on the skin surface
Soothing
Betula Alba Bark Extract

Birch bark extract used to calm skin and provide antioxidant support.

soothingantioxidant
SoothingAntioxidant support
Antioxidant
Betula Alba Bark/Leaf Extract

Extract from the bark and leaves of Betula alba (white birch), providing betulin and betulinic acid alongside flavonoid antioxidants.

antioxidantsoothingskin-conditioning
Combined bark and leaf extract of white birch delivering betulin, betulinic acid, and flavonoidsAntioxidant and mild soothing properties
Humectant
Betula Alba Juice

The sap (juice) of Betula alba (white birch), used as a hydrating alternative to water in ferment and essence formulas. Naturally rich in minerals, amino acids, and xylitol-related sugars that support skin hydration. Distinct from Betula Platyphylla Japonica Juice (Japanese white birch).

humectantskin-conditioningtonic
Rich in minerals, amino acids, and natural sugars that hydrate skinLighter and more quickly absorbed than water as a formula baseContains betulin with mild antioxidant and skin-conditioning effects
+ Sodium Hyaluronate+ Glycerin
Soothing
Betula Pendula Bark Extract
BETULA PENDULA BARK EXTRACT

Extract from the bark of Betula pendula (silver birch). Contains betulin, betulinic acid, lupeol, and other terpenoids with anti-inflammatory, antioxidant, and soothing properties.

soothingantioxidant
Anti-inflammatory and soothingRich in betulin and betulinic acidAntioxidant support
+ Dipotassium Glycyrrhizate+ Allantoin
Soothing
Betula Platyphylla Japonica Bark Extract
BETULA PLATYPHYLLA JAPONICA BARK EXTRACT

An extract from the bark of Japanese white birch (Betula platyphylla var. japonica). Rich in triterpenoids (betulin, betulinic acid) that provide antioxidant and anti-inflammatory benefits. Distinct from Betula Platyphylla Japonica Juice (sap).

soothingantioxidantskin-conditioning
Rich in betulin and betulinic acid with anti-inflammatory propertiesAntioxidant protectionDistinct from the juice (sap) — bark-specific phytochemicals
+ Betula Platyphylla Japonica Juice+ Tocopherol
Soothing
Betula Platyphylla Japonica Juice

A mineral-rich birch sap used as a hydrating, soothing water-phase base.

soothinghumectant
Hydrates and refreshes skinSoothes and calms irritation
+ Hyaluronic Acid+ Centella Asiatica
Active
Bifida Ferment Filtrate

A cell-free filtrate obtained from Bifidobacterium fermentation, distinct from bifida ferment lysate in that it contains only secreted metabolites and exopolysaccharides without cellular debris, used for barrier reinforcement and soothing.

Skin conditioningPostbioticBarrier support
Strengthens skin barrier functionReduces sensitivity and irritationSupports microbiome balance
Antioxidant
Bifida Ferment Lysate

A probiotic-derived ferment lysate that supports the skin barrier and protects against oxidative stress.

antioxidantbarrier-support
Strengthens the skin barrierImproves resilience to environmental stressAntioxidant support
+ Niacinamide
Antioxidant
Bilberry Leaf Extract
Vaccinium Myrtillus Leaf Extract

An extract from the leaves of the bilberry plant (Vaccinium myrtillus) rich in anthocyanins and polyphenols that provides antioxidant, astringent, and anti-inflammatory skin benefits.

antioxidantastringentskin-conditioning
Rich in anthocyanins, flavonoids, and vitamin C for antioxidant protectionAstringent — helps refine pores and balance oily skinAnti-inflammatory, soothes redness and irritation
May cause mild reactions in individuals with berry allergies or very sensitive skin
Antioxidant
Bioflavonoids

A broad class of plant polyphenols (typically citrus-derived hesperidin, rutin, and diosmin) used in cosmetics for antioxidant, anti-inflammatory, and vascular-strengthening properties.

antioxidantanti-inflammatoryskin-conditioning
Broad-spectrum antioxidant protection from polyphenolic plant compounds (hesperidin, rutin, diosmin)Anti-inflammatory properties reduce redness and irritationMay strengthen capillaries and support skin tone
Humectant
Biosaccharide Gum-1

A polysaccharide that binds to skin to provide lasting hydration and a soothing film.

humectantsoothingfilm-forming
Long-lasting hydrationSoothes skinForms a smoothing protective film
Humectant
Biosaccharide Gum-4

A biotechnology-derived polysaccharide (distinct from Biosaccharide Gum-1) that adheres to skin to provide lasting hydration, soothing, and a protective film.

humectantsoothingfilm-forming
Long-lasting hydrationSoothes and calms sensitive skinForms a smoothing protective film
Other
Biotin

Vitamin B7 (biotin) used in cosmetics as a skin-conditioning agent, though topical bioavailability and efficacy evidence is limited compared to oral supplementation.

skin-conditioning
Skin conditioningSometimes included for its association with healthy skin and hair
Topical evidence is limited; most biotin research relates to oral supplementation
Emollient
Bis-Butyldimethicone Polyglyceryl-3
BIS-BUTYLDIMETHICONE POLYGLYCERYL-3

A polyglyceryl-modified silicone copolymer used as an emulsifier in water-resistant sunscreens and BB creams.

emulsifierskin-conditioning
Emulsifies silicone into water-based formulasSmooth silicone skin feel
+ Dimethicone+ Zinc Oxide
Barrier support
Bis-Capryloyloxypalmitamido Isopropanol

A synthetic sphingolipid analogue developed by Evonik (trade name Ceramide III B analogue), consisting of an isopropanol backbone with two capryloyloxy-palmitamido chains that mimic the structure of ceramide III/NP.

ceramide-analoguebarrier-repairskin-conditioning
Sphingolipid analogue that integrates into the skin's intercellular lipid matrixSupports barrier recovery in dry or compromised skinClinically studied for atopic-prone skin
Emollient
Bis-Diglyceryl Polyacyladipate-2

A polyester of diglycerol and adipic/fatty acids used as a synthetic emollient in lip products and creams, offering a soft, non-sticky skin feel.

emollient
Rich, skin-feel emollientProvides a comfortable, cushioning texture in lip products and creams