Cetearyl Alcohol

OKemollient

Emollient that softens and smooths the skin.

What is Cetearyl Alcohol?

CAS Number

8005-44-5

Formula

C34H72O2

Molecular Weight

512.9 g/mol

Also known as: Cetearyl alcohol, hexadecan-1-ol;octadecan-1-ol, Cetyl/stearyl alcohol, Cetostearyl alcohol [NF], LANETTE AOK

What does Cetearyl Alcohol do for skin?

Cetearyl Alcohol functions primarily as an emollient by forming a hydrophobic, occlusive film on the skin's surface. This film helps to reduce trans-epidermal water loss (TEWL) by reinforcing the integrity of the stratum corneum barrier, thereby enhancing skin hydration, smoothness, and suppleness. It also acts as an emulsifier and emulsion stabilizer in formulations, assisting in the blend of immiscible oil and water phases, and contributing to product texture and spreadability.

Typical concentration: 1-20% (commonly used at 2-10% in moisturizing creams, lotions, and conditioners)

Is Cetearyl Alcohol safe?

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed Cetearyl Alcohol, along with other fatty alcohols, and deemed it safe for use in cosmetic formulations. It is generally considered non-irritating and non-sensitizing, even for individuals with sensitive skin, and is frequently incorporated into hypoallergenic and barrier-supportive formulations.

What does the research say about Cetearyl Alcohol?

Regulatory Info

Status: Approved
Restrictions: Alcohols, C16-18
All Ingredients

Frequently Asked Questions

What does Cetearyl Alcohol do in skincare?+

Emollient that softens and smooths the skin. Cetearyl Alcohol functions primarily as an emollient by forming a hydrophobic, occlusive film on the skin's surface. This film helps to reduce trans-epidermal water loss (TEWL) by reinforcing the integrity of the stratum corneum barrier, thereby enhancing skin hydration, smoothness, and suppleness. It also acts as an emulsifier and emulsion stabilizer in formulations, assisting in the blend of immiscible oil and water phases, and contributing to product texture and spreadability.

Is Cetearyl Alcohol safe for sensitive skin?+

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed Cetearyl Alcohol, along with other fatty alcohols, and deemed it safe for use in cosmetic formulations. It is generally considered non-irritating and non-sensitizing, even for individuals with sensitive skin, and is frequently incorporated into hypoallergenic and barrier-supportive formulations.

What percentage of Cetearyl Alcohol should I look for?+

Look for products with 1-20% (commonly used at 2-10% in moisturizing creams, lotions, and conditioners) for clinical efficacy.