✦ Ingredient Glossary

Ingredients starting with I

621 ingredients with safety ratings, purposes, and interaction warnings. Page 3 of 4.

Isocetyl Alcohol

Acts as an emollient and thickener in cosmetic formulations.

Isocetyl Behenate

Acts as an emollient to soften and smooth the skin.

ISOCETYL ETHYLHEXANOATE

Emollient and skin conditioning agent.

ISOCETYL ISODECANOATE

Emollient and skin conditioning agent.

Isocetyl Myristate

Acts as an emollient to soften and smooth the skin.

Isocetyl Palmitate

Acts as an emollient to soften and smooth the skin.

Isocetyl Stearate

Acts as an emollient to soften and smooth the skin.

Isocetyl Stearoyl Stearate

Acts as an emollient and emulsifier in cosmetic formulations.

Isochrysis Galbana Extract

A marine algae extract with potential antioxidant and skin conditioning properties.

Isoctadecane

An emollient and solvent that provides a smooth feel.

ISOCYCLOGERANIOL

Fragrance ingredient.

Isodeceth-6

An emulsifier and surfactant used to blend oil and water.

ISODECYL ETHYLHEXANOATE

Emollient and skin conditioning agent.

Isodecyl Isononanoate

Emollient that softens and smooths the skin.

ISODECYL ISONONANOATE

Emollient and skin conditioning agent.

Isodecyl Isonononoate

Emollient that softens and smooths the skin.

Isodecyl Laurate

Emollient that softens and smooths the skin.

Isodecyl Myristate

Emollient that softens and smooths the skin.

Isodecyl Neopentanoate

Emollient that softens and smooths the skin.

ISODECYL NEOPENTANOATE

Emollient and skin conditioning agent.

Isodecyl Oleate

Emollient that softens and smooths the skin.

Isodecyl Palmitate

Emollient that softens and smooths the skin.

Isodecyl Salicylate

Emollient that softens and smooths the skin, with potential UV filtering properties.

Isodiprene

A synthetic hydrocarbon used as a solvent or emollient.

isododecane

A solvent and emollient that provides a lightweight feel and helps spreadability.

Isododecane

Emollient and solvent that provides a lightweight, non-greasy feel.

ISODODECANE

Solvent and emollient.

Isodonis Japonicus Leaf/​Stalk Extract

Plant extract with potential antioxidant and soothing properties.

Isoeicosane

Emollient that softens and smooths the skin.

ISOEICOSANE

Emollient and skin conditioning agent.

Isoeicosane Ethylhexyl Hydroxystearate

Emollient that softens and smooths the skin.

isoeugenol

A fragrance ingredient with a spicy, floral scent, can be a potential allergen.

Isoeugenol

Fragrance ingredient with a spicy, floral scent.

ISOEUGENOL

Fragrance ingredient.

Isoeugenol Ci 60730 / Ext. Violet 2

Colorant that provides a violet hue.

Isoeugenol Methyl Ether

Fragrance ingredient with a spicy, floral scent.

Isoeugenol.

Fragrance ingredient with a spicy, floral scent.

Isoeugenyl Acetate

Fragrance ingredient with a floral, spicy scent.

IsoEugenyl Acetate

A synthetic fragrance ingredient.

Isoeugonal

Fragrance ingredient with a spicy, floral scent.

isohexadecane

An emollient and solvent that provides a light, non-greasy feel.

Isohexadecane

Emollient and solvent that provides a lightweight, non-greasy feel.

ISOHEXADECANE

Emollient and solvent.

ISOHEXYL NEOPENTANOATE

Emollient and skin conditioning agent.

Isohexyl-3-Cyclohexen-Carboxald

Fragrance ingredient with a green, floral scent.

ISOI

Brand name, not an ingredient.

Isolat de Protéine de _Soja_

Soy protein isolate, which can help condition and strengthen skin.

Isoleucin

Amino acid that helps maintain skin hydration and repair.

isoleucine

An essential amino acid that helps maintain skin hydration and repair.

Isoleucine

Amino acid that helps maintain skin hydration and repair.

ISOLEUCINE

Amino acid that helps with skin repair and hydration.

Isoleucine (L-Isoleucine)

Amino acid that helps maintain skin hydration and repair.

ISOLONGIFOLANONE

Fragrance ingredient.

ISOLONGIFOLENE EPOXIDE

Fragrance ingredient.

isomalt

A sugar alcohol used as a humectant and sweetener.

Isomalt

Humectant that draws moisture into the skin.

ISOMALT

Humectant and sweetener.

Isomalto-Oligosaccharides

Prebiotic that can help nourish beneficial skin bacteria.

Isomerized Linoleic Acid

Fatty acid that can help improve skin barrier function.

Isomerized Safflower Glycerides

Emollient that softens and smooths the skin.

isomerized sugar

A blend of sugars that acts as a humectant and skin conditioner.

Isomerized sugar

Humectant that draws moisture into the skin.

Isomethyl Ionone

Fragrance ingredient with a floral, violet-like scent.

Isoniacinamide

A derivative of niacinamide that may offer similar skin-conditioning benefits.

Isononanoate

Emollient that softens and smooths the skin.

isonononanate

An emollient ester that softens and smooths the skin.

Isononyl

A chemical group often found in emollients and solvents.

Isononyl isononanoate

Emollient that softens and smooths the skin.

Isononyl Isononanoate

Emollient that softens and smooths the skin.

ISONONYL ISONONANOATE

Emollient and skin conditioning agent.

ISOOCTANE

Solvent.

ISOOCTANOL

Solvent and emollient.

ISOOCTANOYL TETRAPEPTIDE-25

Peptide that may help with skin firming.

Isoparaffin

Emollient and solvent that provides a lightweight, non-greasy feel.

isopentane

A propellant used in aerosol products.

Isopentane

A volatile hydrocarbon used as a propellant or solvent.

ISOPENTANE

Propellant for aerosol products.

Isopentyl Diol

Humectant that draws moisture into the skin.

ISOPENTYLCYCLOHEXANONE

Fragrance ingredient.

isopentyldiol

A humectant that attracts and retains moisture in the skin.

Isopentyldiol

Humectant that draws moisture into the skin.

ISOPENTYLDIOL

Humectant and solvent.

Isophorone Diamine/Isophthalic Acid/Tromethamine Copolymer

A film-forming agent that can provide structure and hold.

ISOPHORONE DIISOCYANATE

Monomer used in polymer synthesis, not typically for direct skincare.

Isoprene (stabilized); (2-Methyl-1,3-butadiene)

A monomer used in polymer production, not typically for direct skincare application.

Isoprene Glycol

Humectant that draws moisture into the skin.

isopropanol

A solvent and astringent, can be drying.

Isopropanol

Solvent and astringent that can be drying.

isopropanolamine

A pH adjuster and emulsifying agent.

Isopropanolamine

pH adjuster and emulsifying agent.

Isopropyl

A chemical group often found in emollients and solvents.

isopropyl adipose

This is not a recognized skincare ingredient; likely a misspelling or misinterpretation.

isopropyl alcohol

A solvent and astringent that can be drying and irritating.

Isopropyl alcohol

Solvent and astringent that can be drying and irritating.

Isopropyl Alcohol

Solvent and astringent that can be drying and irritating.

ISOPROPYL ALCOHOL

Solvent and astringent, can be drying.

ISOPROPYL ALCOHOL DICETYLDIMONUM

Conditioning agent and emulsifier.

Isopropyl Alcohool

Solvent and astringent that can be drying and irritating.

Isopropyl Cloprostenate

A prostaglandin analog that can promote eyelash growth.

Isopropyl Cloprostenate (an analog of prostaglandin)

A prostaglandin analog that can promote eyelash growth.

ISOPROPYL DIBENZOYLMETHANE

UV filter.

ISOPROPYL HEXANOATE

Emollient that softens and smooths the skin.

Isopropyl Isostearate

Emollient that softens and smooths the skin.

ISOPROPYL ISOSTEARATE

Emollient that softens and smooths the skin.

Isopropyl Jojobate

Emollient derived from jojoba oil, providing skin-conditioning benefits.

ISOPROPYL LANOLATE

Emollient that softens and smooths the skin.

Isopropyl Lau - royl Sarcosinate

Surfactant and conditioning agent that can help cleanse and soften skin.

Isopropyl Laurate

Emollient that softens and smooths the skin.

Isopropyl Lauroyl Sarcosinate

Surfactant and conditioning agent that can help cleanse and soften skin.

Isopropyl Methylphenol*

Antimicrobial and antiseptic agent.

isopropyl myristate

An emollient that softens and smooths the skin, can be comedogenic for some.

Isopropyl myristate

Emollient that softens and smooths the skin, can be comedogenic for some.

Isopropyl Myristate

Emollient that softens and smooths the skin, can be comedogenic for some.

ISOPROPYL MYRISTATE

Emollient that softens and smooths the skin, can be comedogenic for some.

Isopropyl Myristate (Solubilizer)

Emollient that softens and smooths the skin, also helps dissolve other ingredients.

ISOPROPYL MYRISTATE CETEARETH-20

Emulsifier and emollient that helps blend oil and water and softens skin.

Isopropyl Myristate*

Emollient that softens and smooths the skin, can be comedogenic for some.

ISOPROPYL OCTAHYDONAPHTHALENONE

Fragrance ingredient with a woody scent.

ISOPROPYL OCTANOATE

Emollient that softens and smooths the skin.

Isopropyl Pal mitate

Emollient that softens and smooths the skin, can be comedogenic for some.

isopropyl palmipate

An emollient that softens and smooths the skin.

isopropyl palmitate

An emollient that softens and smooths the skin, can be comedogenic for some.

Isopropyl palmitate

Emollient that softens and smooths the skin, can be comedogenic for some.

Isopropyl Palmitate

Emollient that softens and smooths the skin, can be comedogenic for some.

ISOPROPYL PALMITATE

Emollient that softens and smooths the skin, can be comedogenic for some.

Isopropyl Palmitate (Sustainable Palm Oil)

Emollient that softens and smooths the skin, derived from sustainable palm oil.

Isopropyl Palmitate*

Emollient that softens and smooths the skin, can be comedogenic for some.

Isopropyl Ricinus Communis (castor) Seed Oil

Emollient derived from castor oil, providing moisturizing and conditioning benefits.

Isopropyl Shea Butterate

Emollient derived from shea butter, providing skin-conditioning benefits.

Isopropyl Stearate

Emollient that softens and smooths the skin.

ISOPROPYL THIOXANTHONE

Photoinitiator used in UV-curing applications, not typically for skincare.

Isopropyl Titanium Triisostearate

Coating agent for pigments, improving dispersion and feel.

ISOPROPYL TITANIUM TRIISOSTEARATE

Surface treatment agent for pigments, improving dispersion and adhesion.

ISOPROPYL TITANIUM TRIISOSTEARATE/METHICONE CROSSPOLYMER

Surface treatment agent for pigments, improving dispersion and adhesion.

ISOPROPYL-1-OXASPIRODECANONE

Fragrance ingredient with a fruity scent.

ISOPROPYL-BETA-METHYLCYCLOHEXANE-ETHANOL

Fragrance ingredient with a minty or camphoraceous scent.

ISOPROPYL-DIMETHYL-DIOXANE

Fragrance ingredient with a woody or amber scent.

ISOPROPYL-HYDROXYCYCLOHEXENE-ETHANOL

Fragrance ingredient with a floral or fruity scent.

ISOPROPYL-METHYL-PYRANONE

Fragrance ingredient with a caramel or sweet scent.

ISOPROPYL-METHYLBICYCLOHEXANONE

Fragrance ingredient with a woody or camphoraceous scent.

ISOPROPYL-METHYLCYCLOHEXANONE

Fragrance ingredient with a minty or camphoraceous scent.

ISOPROPYL-METHYLOXEPANONE

Fragrance ingredient with a fruity or floral scent.

Isopropyl.

A chemical group often found in emollients and solvents.

Isopropylbenzyl Salicylate

UV filter that helps protect skin from sun damage.

ISOPROPYLCYCLOHEXANOL

Fragrance ingredient with a minty or cooling scent.

ISOPROPYLCYCLOHEXYL-ETHANOL

Fragrance ingredient with a floral or woody scent.

ISOPROPYLINDANONE

Fragrance ingredient with a woody or amber scent.

ISOPROPYLMETHYLCYCLOHEXANE

Solvent and emollient.

Isopropylparaben

Preservative that helps prevent microbial growth.

Isopropylphenylbutanal

Fragrance ingredient with a floral, aldehydic scent.

Isopropylphthalimide

A plasticizer and film-former.

Isopulegol

Fragrance ingredient with a minty, herbaceous scent.

Isoquercitrin

Antioxidant flavonoid found in plants.

Isosorbide

Acts as a humectant and emollient, helping to hydrate and soften the skin.

Isosorbide Dicaprylate

Functions as an emollient and skin-conditioning agent, improving skin feel and texture.

Isosorbide Dicaprylate/caprate

Acts as an emollient and skin-conditioning agent, providing a smooth feel and improving spreadability.

Isosorbide Dicaprylate/Caprate

Acts as an emollient and skin-conditioning agent, providing a smooth feel and improving spreadability.

Isosorbide Disunflowerseedate

Functions as an emollient and skin-conditioning agent, contributing to skin softness and hydration.

Isostearamide Mipa

Acts as a surfactant and emulsifying agent, helping to mix oil and water components in formulations.

Isostearamide MIPA

Acts as a surfactant and emulsifying agent, helping to mix oil and water components in formulations.

ISOSTEARAMIDOPROPYL BETAINE

Surfactant that cleanses and creates foam.

Isostearamidopropyl Ethyldimonium Ethosulfate

Functions as a conditioning agent and emulsifier, improving hair and skin feel.

Isostearamidopropyl Morpholine Lactate

Acts as a conditioning agent and emulsifier, providing a smooth feel to skin and hair.

Isosteareth-20

Acts as an emulsifier and surfactant, helping to blend oil and water phases in cosmetic products.

Isosteareth-200 Linoleate

Functions as an emulsifier and emollient, aiding in product texture and skin conditioning.

ISOSTEARETH-3 ETHYLHEXANOATE

Emollient and emulsifier.

isostearic acid

A fatty acid used as an emollient and emulsifier.

Isostearic acid

Acts as an emollient and emulsifier, helping to soften skin and stabilize formulations.

Isostearic Acid

Acts as an emollient and emulsifier, helping to soften skin and stabilize formulations.

Isostearic Acid

Acts as an emollient and emulsifier, helping to soften skin and stabilize formulations.

Isostearic Acid (Huidverzorging)

Acts as an emollient and emulsifier, helping to soften skin and stabilize formulations.

Isostearic Acid (Plant-Derived Emollient)

Acts as an emollient and emulsifier, helping to soften skin and stabilize formulations.

Isostearoyl Hydrolyzed Collagen

Acts as a skin-conditioning agent, providing moisturizing and film-forming properties.

ISOSTEAROYL HYDROLYZED COLLAGEN

Conditioning agent that can help moisturize and improve skin feel.

Isostearoyl Hydrolyzed Collagen AMPD

Functions as a skin-conditioning agent, offering moisturizing and texturizing benefits.

Isostearoyl Hydrolyzed Keratin

Acts as a hair and skin conditioning agent, helping to improve texture and strength.

Isostearoyl Hydrolyzed Keratin (Wool)

Acts as a hair and skin conditioning agent, helping to improve texture and strength.

Isostearoyl Hydrolyzed Silk

Functions as a skin and hair conditioning agent, providing a smooth feel and enhancing shine.

Isostearyl Alcohol

Acts as an emollient and viscosity-controlling agent, softening skin and thickening formulations.

IsoStearyl Alcohol

Acts as an emollient and thickener in cosmetic formulations.

ISOSTEARYL ALCOHOL

Emollient that softens and smooths the skin.

ISOSTEARYL BEHENAMIDOPROPYL BETAINATE CHLORIDE

Surfactant that cleanses and creates foam.

Isostearyl Behenate

Functions as an emollient and skin-conditioning agent, providing a smooth feel and improving texture.

ISOSTEARYL DILINOLEAMIDOPROPYL BETAINATE CHLORIDE

Surfactant that cleanses and creates foam.

ISOSTEARYL ETHYLHEXANOATE

Emollient that softens and smooths the skin.

Isostearyl Ethylimidazolinium Ethosulfate

Acts as a conditioning agent and emulsifier, primarily used in hair care products.

Isostearyl Glucoside

Functions as a non-ionic surfactant and emulsifier, aiding in product formulation and skin feel.

Isostearyl Glyceryl Ether

Acts as an emollient and skin-conditioning agent, providing a smooth and soft feel to the skin.

Isostearyl Glyceryl Pentaerythrityl Ether

Functions as an emollient and skin-conditioning agent, contributing to skin softness and hydration.

ISOSTEARYL HYDROXYSTEARATE

Emollient that softens and smooths the skin.

ISOSTEARYL ISONONANOATE

Emollient that softens and smooths the skin.

Isostearyl Isostearate

Acts as an emollient and skin-conditioning agent, providing a smooth, non-greasy feel.

Isostearyl Isostearate (Huidbeschermer)

Acts as an emollient and skin-conditioning agent, providing a smooth, non-greasy feel.

Isostearyl Isostearate (Koolzaadolie)

Acts as an emollient and skin-conditioning agent, providing a smooth, non-greasy feel.

Isostearyl Isostearate*

Acts as an emollient and skin-conditioning agent, providing a smooth, non-greasy feel.

Isostearyl Neopentanoate

Functions as an emollient and skin-conditioning agent, providing a light, non-greasy feel.

ISOSTEARYL NEOPENTANOATE

Emollient that softens and smooths the skin.

Isostearyl Palmitate

Acts as an emollient and skin-conditioning agent, providing a smooth feel and improving product texture.

ISOSTEARYL RICINOLEAMIDOPROPYL BETAINATE CHLORIDE

Surfactant that cleanses and creates foam.

Isostearyl Sebacate

Functions as an emollient and skin-conditioning agent, contributing to skin softness and a smooth feel.