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 97 of 101

Antioxidant
Typha Angustifolia Spike Extract

An extract from the pollen spikes of Typha angustifolia (narrow-leaf cattail / Pu Huang), a TCM herb; contains flavonoids such as isorhamnetin and typhaneoside with antioxidant and anti-inflammatory activity.

antioxidantskin-conditioning
Antioxidant flavonoids and polyphenolsAnti-inflammatory propertiesSkin-conditioning
Humectant
Tyrosine

A conditionally essential aromatic amino acid used in cosmetics as a humectant that helps maintain skin hydration.

humectantamino-acid
Attracts and retains moistureSupports the skin's natural moisturizing factors (NMF)
Soothing
Ulmus Campestris Bark Extract

Ulmus Campestris Bark Extract (field elm, Ulmus minor) is an astringent and soothing botanical used in traditional European herbal medicine. The bark contains tannins, mucilaginous polysaccharides, and phytosterols — a combination that provides temporary pore-tightening, surface-calming, and mild barrier-reinforcing effects. Distinct from slippery elm (Ulmus rubra/fulva) and not interchangeable.

skin-conditioningastringentsoothinganti-inflammatory
Tannins provide a mild astringent action that temporarily tightens and refines pores while reducing surface rednessMucilage content forms a protective, hydrating film on skin, supporting barrier function and reducing transepidermal water lossPhytosterols contribute additional anti-inflammatory activity, helping calm irritated or sensitized skin
Tannin-rich extracts can be drying with overuse; better suited to normal-to-oily skin typesRare allergic contact dermatitis reported with elm bark; patch test recommended for sensitive individuals
+ Allantoin+ Centella Asiatica Extract+ Glycerin
Soothing
Ulmus Davidiana Root Extract

A root extract from the David's elm tree (Ulmus davidiana), a K-beauty botanical valued for its soothing, antioxidant, and hydrating properties.

soothingantioxidanthumectant
Soothes and calms irritated skinAntioxidant protection from polyphenolsHydrates and conditions skin
Other
Ultramarines

A complex sodium aluminum sulfosilicate inorganic pigment (CI 77007), produced by calcining kaolin with sulfur and sodium carbonate, used as a colorant in makeup and personal care products.

colorant
Mineral-derived colorant used to impart blue, violet, pink, or green shades in cosmetics
Incompatible with acidic conditions (pH below 6), which can release hydrogen sulfide gas
Antioxidant
Ulva Lactuca Extract
ULVA LACTUCA EXTRACT

Extract from Ulva lactuca (sea lettuce), a green marine alga. Contains ulvan polysaccharides, vitamins, and minerals with moisturizing and antioxidant properties. Used in Bijin Nuka's moisture cream.

antioxidanthumectantskin-conditioning
Rich in ulvan polysaccharides — moisturizingAntioxidant and UV-protective phytochemicalsMarine mineral source
+ Hyaluronic Acid+ Glycerin
Soothing
Uncaria Gambir Extract
UNCARIA GAMBIR EXTRACT

An extract from Uncaria gambir (gambir plant) prepared by boiling the leaves and twigs. Rich in catechins and tannins; used in cosmetics for antioxidant, soothing, and astringent properties in prestige skincare.

soothingantioxidantastringent
Rich source of catechins (catechin, epicatechin) with potent antioxidant activityAstringent and pore-tighteningAnti-inflammatory soothing action
+ Sanguisorba Officinalis Root Extract+ Potentilla Erecta Root Extract
Active
Undaria Pinnatifida Extract

An extract from Undaria pinnatifida (wakame), an edible brown seaweed rich in fucoidans, polyphenols, and minerals, used as a standalone active ingredient for antioxidant, hydrating, and skin-conditioning benefits.

antioxidantskin-conditioninghydratingsoothing
delivers fucoidan for hydration and barrier supportprovides antioxidant protectionsoothes and calms skin
Emollient
Undecane

A lightweight volatile hydrocarbon emollient (C11 alkane) used as a sustainable alternative to silicone cyclomethicone, often combined with tridecane to improve sensory feel.

emollientskin-conditioning
Ultra-lightweight, non-greasy textureVolatile — absorbs quickly, leaves dry finishECOCERT-approved sustainable alternative to cyclomethicone
Humectant
Urea

A humectant that hydrates at low levels and exfoliates at high levels.

exfoliant
HydrationSoftens rough or thickened skin
Can sting on compromised skin at higher concentrations
Soothing
Urtica Dioica Leaf Extract

An extract from the leaves of Urtica dioica (stinging nettle), which in processed form provides anti-inflammatory, antioxidant, and soothing benefits despite the plant's irritating properties in its raw state.

soothinganti-inflammatoryantioxidantskin-conditioning
Anti-inflammatory properties help reduce skin redness and irritationAntioxidant phenolic compounds protect against oxidative stressMineral-rich profile (silica, iron) supports overall skin health
The fresh plant causes contact urticaria, but processed cosmetic extracts are generally safe; patch test recommended for sensitive individuals
Antioxidant
Usnea Barbata (Lichen) Extract
Usnea Barbata Extract

An extract from Usnea barbata (old man's beard lichen); contains usnic acid, a natural dibenzofuran derivative with pronounced antimicrobial, antioxidant, and anti-inflammatory properties, used in botanical skincare.

antioxidantantimicrobialsoothing
Usnic acid provides strong antimicrobial and antioxidant activitySoothing and anti-inflammatory propertiesTraditional use in botanical skincare and preservative blends
Usnic acid can cause contact sensitization or irritation at higher concentrations
Other
VP/Hexadecene Copolymer

A copolymer of vinylpyrrolidone and hexadecene used as a film-former and binder that improves water resistance and sensory texture in sunscreens.

film-formerbindertexture enhancer
Forms a lightweight film on skin to improve wear and textureProvides water resistance in sunscreen and makeup formulations
No significant known risks at cosmetic use levels
Other
VP/VA Copolymer
VP/VA COPOLYMER

A copolymer of vinyl pyrrolidone (VP) and vinyl acetate (VA). Used as a film-forming agent in skincare and hair care products. Provides flexible, breathable films.

film-formerviscosity-increasing
Film-forming — improves product adhesion and wearStabilizes emulsions and suspensions
+ Glycerin+ Butylene Glycol
Antioxidant
Vaccinium Macrocarpon (Cranberry) Fruit Extract
VACCINIUM MACROCARPON FRUIT EXTRACT

An extract from the fruit of the cranberry (Vaccinium macrocarpon) rich in proanthocyanidins, anthocyanins, and polyphenols that provides antioxidant and anti-inflammatory benefits to skin.

antioxidantsoothingskin-conditioning
Rich in proanthocyanidins and polyphenols that neutralize free radicalsAnti-inflammatory and skin-soothing propertiesMay support skin brightening via polyphenol activity
Humectant
Vaccinium Myrtillus Fruit Juice

The juice expressed from bilberry (Vaccinium myrtillus) fruits, rich in anthocyanins, polyphenols, and vitamins that provide antioxidant and skin-conditioning benefits.

humectantskin conditioningantioxidant
Provides anthocyanins and polyphenols for antioxidant protectionHydrating and skin-conditioning propertiesHelps protect skin from environmental stressors
Emollient
Vaccinium Myrtillus Seed Oil

A seed oil from bilberry (Vaccinium myrtillus) rich in fatty acids and antioxidants that provides emollient and skin-conditioning benefits.

emollientskin conditioningantioxidant
Rich in omega fatty acids for skin conditioningProvides antioxidant protectionHelps maintain skin barrier function
Antioxidant
Vaccinium Vitis-Idaea Fruit Extract

An extract from the fruit of Vaccinium vitis-idaea (lingonberry) rich in anthocyanins, flavonoids, and vitamin C providing antioxidant, brightening, and anti-inflammatory benefits.

antioxidantbrighteningskin-conditioning
Rich in anthocyanins, vitamin C, and quercetin with potent antioxidant propertiesBrightening effects — anthocyanins and ellagic acid may help even skin toneAnti-inflammatory and anti-aging benefits
Emollient
Vaccinium Vitis-Idaea Seed Oil

A cold-pressed seed oil from lingonberry (Vaccinium vitis-idaea) rich in omega-3 and omega-6 fatty acids, tocotrienols, and antioxidants with anti-inflammatory, antimicrobial, and protective properties.

emollientskin conditioningantioxidant
Deeply penetrates skin to soothe and reduce inflammationProtects against sun damage and UV radiationReduces fine lines and wrinkles
Humectant
Valine

An essential amino acid used in cosmetics as a humectant that supports the skin's natural moisturizing factor system.

humectantamino-acid
Attracts and retains moisture as part of the skin's natural moisturizing factors (NMF)Conditions and supports skin hydration
Antioxidant
Vanilla Planifolia Fruit Extract

An extract from vanilla (Vanilla planifolia) fruit pods rich in vanillin and phenolic antioxidants, used for antioxidant protection and skin conditioning.

antioxidantsoothing
Antioxidant protection via vanillin and polyphenolsSoothes and conditions skinPleasant natural vanilla scent
Contains naturally fragrant vanillin compounds; may sensitize reactive or fragrance-sensitive skin
Soothing
Vanilla Tahitensis Fruit Extract

Extract from the fruit pods of Vanilla tahitensis (Tahitian vanilla), used in cosmetics for its mild antioxidant polyphenols and characteristic warm, floral vanilla scent.

soothingantioxidantfragrance
Contains vanillin and other polyphenols with mild antioxidant propertiesAdds a soft, warm fragrance note with potential calming effects
Fragrance component — potential allergen in sensitized individuals
Fragrance
Vanillin

The primary fragrance molecule of vanilla bean (Vanilla planifolia), also synthesized from lignin. Used as a skin-safe fragrance component and off-odor masking agent in cosmetics.

fragrance
The principal aromatic compound of vanilla; warm, sweet, creamy scent note widely used in prestige skincare fragrance
May cause contact sensitization in individuals with vanilla or fragrance sensitivity
Other
Vanillyl Butyl Ether

A synthetic vanillyl ether that triggers TRPV1-mediated warmth signals, producing a gentle microcirculation-enhancing warming effect used in sculpting creams and warming body-care products.

warming-agentskin-conditioningfragrance
Produces a gentle, sustained warming sensation without capsaicin-like irritationEnhances microcirculationMilder and more even warmth than red pepper extract
Warming sensation may be uncomfortable for sensitive or reactive skin at higher concentrations