✦ Ingredient Glossary

Ingredients starting with O

1,690 ingredients with safety ratings, purposes, and interaction warnings. Page 9 of 9.

OSTERICUM KOREANUM EXTRACT

Plant extract with potential antioxidant and anti-inflammatory properties.

Osthole

A compound found in certain plants, with potential anti-inflammatory and antioxidant properties.

OSTREA EDULIS EXTRACT

Extract from oyster, may contain minerals and amino acids beneficial for skin.

Ostrea Shell Extract

Extract from oyster shells, often used as a source of minerals or for its exfoliating properties.

OSTREA SHELL EXTRACT

Extract from oyster shells, rich in calcium and minerals.

OSTREA SHELL POWDER

Finely ground oyster shells, used as an exfoliant or mineral source.

Ostrea Shll Extract

Extract from oyster shells, often used as a source of minerals or for its exfoliating properties.

OSTRICH EGG YOLK EXTRACT

Rich in lipids and proteins, may provide nourishing and moisturizing benefits.

OSTRYA JAPONICA LEAF EXTRACT

Plant extract with potential antioxidant and skin-conditioning properties.

OTNE

This is likely a misspelling or abbreviation; its purpose is unclear without further context.

out

Likely a typo or incomplete ingredient name.

Outer - 100% Knitted Polyester

This describes a textile material, not a skincare ingredient.

OVARIAN EXTRACT

Derived from ovaries, may contain hormones or growth factors, use is uncommon and debated.

Overcast

This is a weather term and not a skincare ingredient.

Ovum

Refers to egg, which can be used in some traditional or specialized cosmetic applications for its protein content.

OVUM POWDER

Powdered egg, can provide proteins and lipids for skin conditioning.

OXACYCLOHEPTADEC-10-EN-2-ONE

A macrocyclic musk compound, primarily used as a fragrance ingredient.

Oxacyclohexadecen-2-one

A macrocyclic musk compound, often used as a fragrance ingredient.

OXACYCLOHEXADECENONE

A macrocyclic ketone, often used as a synthetic musk for fragrance.

Oxadiargyl (ISO)

A cosmetic ingredient with potential antioxidant and skin-conditioning properties.

Oxalic Acid

An alpha hydroxy acid (AHA) that can exfoliate the skin, but can be irritating.

OXALIC ACID

An alpha hydroxy acid (AHA) that can exfoliate and brighten the skin.

Oxalis Acetosella Extract

Extract from wood sorrel, which may offer antioxidant and soothing properties.

OXALIS ACETOSELLA EXTRACT

Extract from wood sorrel, known for its tartness and potential antioxidant properties.

OXALIS HEDYSAROIDES CALLUS CULTURE EXTRACT

Plant cell culture extract from Oxalis hedysaroides, potentially offering antioxidant benefits.

OXALIS HEDYSAROIDES EXTRACT

Plant extract with potential antioxidant properties.

OXALIS HEDYSAROIDES LEAF

Leaf from the plant, may contain compounds with antioxidant properties.

OXALIS TETRAPHYLLA EXTRACT

Extract from a species of wood sorrel, potentially offering antioxidant benefits.

Oxalis Triangularis (Purple Shamrock) Oil

Oil from purple shamrock, potentially offering antioxidant and skin-conditioning benefits.

OXALIS TRIANGULARIS EXTRACT

Extract from the triangular wood sorrel, known for its antioxidant properties.

Oxalis Triangularis Oil

Oil from purple shamrock, potentially offering antioxidant and skin-conditioning benefits.

Oxidized Beeswax

Modified beeswax used as a thickener, emulsifier, or emollient in cosmetic formulations.

Oxidized Ethylene/Propylene Copolymer

A polymer used as a thickener, emulsifier, or film-former in cosmetic products.

Oxidized Glutathione

An oxidized form of glutathione, an antioxidant that can help protect skin from oxidative stress.

OXIDIZED GLUTATHIONE

An antioxidant that helps protect cells from damage.

OXIDIZED GRAPE SKIN FERMENT EXTRACT

Fermented grape skin extract with potential antioxidant properties.

Oxidized Keratin

Modified keratin protein, potentially used for its conditioning and strengthening properties.

Oxidized Microcrystalline Wax

A modified wax used as a thickener, emollient, or consistency regulator in formulations.

Oxidized Polyethylene

A modified polyethylene used as a thickener, emulsifier, or texturizer.

OXIDIZED POLYETHYLENE

A wax-like polymer used to thicken formulations and provide texture.

Oxidized Polypropylene

A modified polypropylene used as a thickener, emulsifier, or texturizer.

OXIDIZED POLYPROPYLENE

A polymer used to modify the texture and viscosity of cosmetic products.

OXIDIZED STARCH ACETATE

Modified starch used as a thickener and stabilizer in cosmetic formulations.

OXIDIZED TALL OIL ACIDS/NEOPENTYL GLYCOL COPOLYMER

A complex polymer used as a film-former or texturizer in cosmetic products.

Oxido Reductases

Enzymes that can play a role in cellular processes, potentially offering antioxidant or skin-conditioning benefits.

Oxiranemethanol, 4-methylbenzene-sulfonate, (S)-

This is a chemical intermediate and not typically used directly in skincare formulations.

Oxo-Proline

A derivative of proline, an amino acid, which can act as a humectant and skin conditioner.

OXOBUTYLPHENYL ACETATE

A fragrance ingredient that can cause skin sensitization.

OXOSUCCINIC ACID

A dicarboxylic acid that may have chelating properties.

Oxothiazolidine

A compound that can act as a precursor to L-cysteine, potentially offering antioxidant benefits.

Oxothiazolidine (and) Butylene glycol (and) Sodium benzoate

A combination where Oxothiazolidine may offer antioxidant benefits, with humectant and preservative properties from the other ingredients.

Oxothiazolidinecarboxylic Acid

A derivative of oxothiazolidine, potentially offering antioxidant and skin-conditioning benefits.

OXOTHIAZOLIDINECARBOXYLIC ACID

An antioxidant that can help protect skin from oxidative stress.

Oxybenzone