OKO Ingredient Profile

Glycerin

INCI: GLYCERIN

Generally Safe OKO Verified CAS: 56-81-5

OKO VERIFIED

/ 10 Hazard

Source: PubChem

Quick Facts

CAS # 56-81-5

Source PubChem

OKO Verified ✓ Yes

Severity Generally Safe

Also Known As

Glycerin Glycerine Glycerol 1,2,3-Propanetriol Propane-1,2,3-triol Trihydroxypropane Glycyl alcohol E422 E-422 Vegetable glycerin Vegetable glycerine Anhydrous glycerin Anhydrous glycerol Glycerolum CAS 56-81-5

Safety Flags

Low Low Low MODERATE

About This Ingredient

Glycerin is a widely used humectant that helps attract and retain moisture in the skin. It supports hydration, improves skin softness, and enhances the texture of cosmetic and personal care formulations.

Hazard Score

Best Worst

Low Concern

Function(s) in Cosmetics

Humectant Moisturizing agent Skin-conditioning agent Solvent Viscosity-controlling agent Emollient Protective agent Denaturant Fragrance ingredient Oral care agent

Known Concerns

Skin Irritation

Glycerin is generally well tolerated, but mild irritation may occur in rare cases, especially on very sensitive or damaged skin.

OKO Test

Eye Irritation

Direct contact with eyes may cause temporary mild stinging or irritation.

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Skin Sensitization

Glycerin is not commonly associated with allergic skin sensitization.

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Acute Toxicity

Glycerin has low acute oral and dermal toxicity under normal use conditions.

OKO Test

Cosmetic Safety

Glycerin is considered safe for use in cosmetics under current practices and concentrations.

OKO Test

Health Effects

Generally low risk. Glycerin may cause mild skin or eye irritation in rare cases, especially at high concentrations or on very sensitive skin. It is not commonly associated with serious health effects when used in normal cosmetic formulations.

Regulatory Status

Approved

Found In These Products

Weleda

Weleda Clarifying Wash Gel

Dr. Hauschka

Dr. Hauschka Rich cream mask