The library

Ingredient library

Every ingredient SkinAtlas knows about — all 2277 of them. What each one does, what it works well with, and what to watch for.

All 2277 ingredients — page 44 of 95

Emollient
Isostearyl Glyceryl Ether

A glyceryl ether of isostearyl alcohol used as an emollient and skin-conditioning agent that imparts a smooth, non-greasy texture to creams and lotions.

emollientskin-conditioningemulsifier
Provides a rich, smooth emollient feelConditions and softens skinHelps stabilize water-in-oil emulsions
Emollient
Isostearyl Isostearate

A synthetic ester of isostearyl alcohol and isostearic acid used as a rich emollient and skin-conditioning agent in prestige creams and moisturizers.

emollientskin-conditioning
Rich, non-greasy emollient feelSoftens and conditions skinImproves the spreadability and texture of formulas
May be comedogenic for very acne-prone skin
Emollient
Isostearyl Palmitate
ISOSTEARYL PALMITATE

An ester of isostearyl alcohol and palmitic acid; a lightweight synthetic emollient that improves skin feel and spreadability in creams and lotions.

emollientskin-conditioning
Lightweight, non-greasy feelEnhances spreadability
May be mildly comedogenic at high concentrations
Soothing
Jania Rubens Extract

An extract from Jania rubens, a calcareous red alga rich in minerals and polysaccharides, used in cosmetics as a soothing and antioxidant skin-conditioning agent.

soothingantioxidantskin-conditioning
Soothes and calms irritated skinAntioxidant protection from marine phytonutrientsRich in minerals and polysaccharides for skin-conditioning
Fragrance
Jasminum Officinale (Jasmine) Extract
Jasminum Officinale Extract

An extract from jasmine flowers used primarily as a natural fragrance ingredient; contains naturally occurring fragrance allergens and may sensitize reactive skin.

fragrantskin-conditioning
Contributes a rich, floral jasmine fragrance noteMild skin-conditioning properties
Fragrant botanical extract that can sensitize or irritate reactive or fragrance-allergic skinContains naturally occurring fragrance allergens such as linalool and farnesol
Fragrance
Jasminum Officinale (Jasmine) Flower Oil
Jasminum Officinale Flower Oil

The essential oil steam-distilled or solvent-extracted from Jasminum officinale flowers, used primarily as a natural fragrance ingredient in prestige cosmetics.

fragrantskin-conditioning
Contributes a rich, floral jasmine fragrance note
Fragrant essential oil that may sensitize or irritate reactive or fragrance-allergic skinContains naturally occurring fragrance allergens including linalool, benzyl acetate, and farnesol that require disclosure under EU Cosmetics Regulation above threshold concentrations
Fragrance
Jasminum Officinale (Jasmine) Flower Water
Jasminum Officinale Flower Water

The hydrosol (floral water) obtained by steam distillation of Jasminum officinale flowers, used as a natural fragrance and mild conditioning agent, distinct from jasmine extract and jasmine essential oil.

fragranceskin-conditioning
Contributes a delicate natural jasmine fragranceMild skin-conditioning properties as a hydrosol
May contain naturally occurring fragrance allergens; patch test recommended for reactive skin
Fragrance
Jasminum Officinale Oil

The volatile oil obtained from Jasminum officinale flowers (CosIng Ref 34776), distinct from Jasminum Officinale Flower Oil (Ref 39754), used in cosmetics primarily as a perfuming and skin-conditioning ingredient and subject to IFRA restrictions and EU fragrance allergen labeling requirements.

PerfumingSkin conditioningMaskingSoothing
Contributes a rich, classic floral jasmine fragrance noteMild skin-conditioning properties
Contains naturally occurring fragrance allergens including linalool, benzyl benzoate, benzyl alcohol, and farnesol requiring EU label disclosureSubject to IFRA concentration limits across product categories
Emollient
Jojoba Esters

Hydrogenated jojoba oil processed into wax esters, used as a gentle emollient and texture enhancer; distinct from liquid jojoba oil.

emollientthickener
Soft, waxy emollient feelImproves texture and spreadabilityBiodegradable alternative to microplastic spheres
Emollient
Jojoba Oil
Simmondsia Chinensis Seed Oil

A plant wax ester structurally similar to skin sebum.

EMOLLIENTHAIR CONDITIONINGSKIN CONDITIONING
Lightweight nourishmentBalances oily skin
Surfactant
Jojoba Wax PEG-120 Esters

A PEG-120 polyethylene glycol ester of jojoba wax used as a nonionic emulsifier and solubilizer in water-based cosmetic formulas.

emulsifiersolubilizerskin-conditioning
Solubilizes oils and actives into water-based formulasStabilizes emulsionsImparts mild conditioning properties from jojoba-derived components
PEG-type ethoxylated ingredient — trace 1,4-dioxane contamination possible unless vacuum-stripped during manufacturing
Antioxidant
Juglans Regia (Walnut) Seed Extract
JUGLANS REGIA SEED EXTRACT

An extract from the seeds (kernel) of Juglans regia (English walnut), rich in polyphenols including ellagitannins and juglone, used for antioxidant and skin-conditioning properties; potential sensitization from juglone should be noted.

AntioxidantSkin-conditioning agent
Polyphenols including ellagic acid and juglone provide antioxidant activitySkin-conditioning properties
Juglone (a naphthoquinone in walnut) can be an irritant or sensitizer in sensitive individualsCross-reactivity possible in individuals with tree nut allergies
Exfoliant
Juglans Regia (Walnut) Shell Powder
JUGLANS REGIA SHELL POWDER

A ground powder made from walnut shells used as a physical exfoliant in scrubs; its irregular particle shape may pose micro-tear risk on sensitive skin.

Physical exfoliantAbrasiveSkin-smoothing
Physically removes dead skin cellsSmooths skin textureBuffs away rough patches
Irregular jagged particles can cause micro-tears in skin, especially for sensitive or compromised skinNot recommended for use around the eye area or on acne-prone skin with open lesions
Antioxidant
Juniperus Chinensis Xylem Extract

Extract from the xylem (heartwood) of Juniperus chinensis (Chinese juniper); provides antioxidant and antimicrobial cedrol-type sesquiterpenes, used in prestige Korean skincare.

antioxidantantimicrobialskin-conditioning
Antioxidant and antimicrobial compounds from Chinese juniper heartwoodTraditional East Asian ingredient used in hanbang and K-beauty ferment formulas
Fragrance
Juniperus Mexicana Oil

An essential oil steam-distilled from Texas cedarwood (Juniperus mexicana) used primarily as a woody fragrance ingredient in cosmetics.

fragrantskin-conditioning
Contributes a woody, cedar-like fragrance noteMild skin-conditioning properties
Fragrant essential oil that can irritate or sensitize reactive skinMay contain naturally occurring allergens; patch test recommended for sensitive skin
Fragrance
Juniperus Virginiana Oil

An essential oil steam-distilled from the wood and twigs of Juniperus virginiana (Eastern Red Cedar), used primarily as a woody fragrance fixative in cosmetics.

PerfumingMaskingTonic
Woody, balsamic fragrance note used as a fixative in perfumeryAntimicrobial properties from sesquiterpene content
Classified as a regulated fragrance allergen in the EU; may cause sensitization in some individuals
Soothing
Kalanchoe Pinnata Leaf Extract

A leaf extract from Kalanchoe pinnata (leaf of life), a succulent used in traditional medicine, included in cosmetics for its hydrating, antioxidant, and soothing properties.

Skin conditioningMaskingAntioxidant
Hydrates skin and supports moisture retentionAntioxidant protection against UV-induced free radical damageSoothes irritation due to flavonoid content
Individuals with legume or succulent plant sensitivities should patch test
Other
Kaolin

A naturally occurring white clay mineral (aluminum silicate) used in cosmetics as an absorbent, opacifier, and texture agent in cleansers, masks, and powders.

absorbentopacifiertexture-enhancer
Absorbs excess oil and impuritiesAdds opacity and body to formulasHelps purify and refine pores with gentle adsorption
Humectant
Kappaphycus Alvarezii Extract

Extract from Kappaphycus alvarezii, a red algae cultivated for its carrageenan-rich polysaccharides; used as a marine humectant and skin-conditioning agent.

humectantskin-conditioningfilm-forming
Marine polysaccharides from red algae that attract and retain moistureSupports skin smoothness and a plump, hydrated feel
+ Sodium Hyaluronate+ Glycerin
Soothing
L-Theanine
THEANINE

An amino acid found naturally in green tea leaves that calms skin sensitivity and reduces inflammatory responses. Used in d program and other Japanese formulations targeting reactive or allergy-prone skin.

soothingantioxidantskin-conditioning
Calms skin and reduces stress-induced rednessAntioxidant protectionHelps balance skin's response to environmental triggers
+ Dipotassium Glycyrrhizate+ Niacinamide
Exfoliant
LHA
Capryloyl Salicylic Acid

A lipophilic derivative of salicylic acid developed by L'Oréal, known as lipo-hydroxy acid (LHA), which exfoliates more gradually and selectively than salicylic acid with improved skin tolerability.

ExfoliantKeratolyticAntimicrobialAnti-inflammatory
Gentle surface exfoliation with lower irritation potential than salicylic acidPenetrates sebum-rich pores to unclog them and reduce blackheads/whiteheadsImproves skin texture, clarity, and accelerates cell turnover
May increase photosensitivity; sunscreen use recommendedApproved by EU COSING in leave-on products; generally better tolerated than BHA
Exfoliant
Lactic Acid

A gentler AHA that also has humectant properties.

aha
Smooths textureHydrating for an acidBrightens
Sun sensitivityPossible irritation
× Retinol× Retinal
Other
Lactis Protein
LACTIS PROTEIN

Whey (milk serum) protein used as a skin-conditioning agent. Provides amino acids and hydrolyzed peptide fragments that soften skin and support surface film formation.

skin-conditioningfilm-former
Amino acids and peptide fragments from milk whey condition and soften skinForms a light film that helps retain surface moisture
Dairy-derived — those with severe milk allergy should patch-test
Soothing
Lactobacillus Ferment

A postbiotic ferment used to support the skin microbiome and barrier.

barrier-support
Supports the skin microbiomeSoothes and strengthens the barrier
+ Centella Asiatica