Cetearyl Alcohol: Comedogenic Rating & Safety Profile
Also known as: Cetyl/Stearyl Alcohol Blend
A waxy, fatty alcohol blend that emulsifies oil and water and gives creams their thick, velvety texture. Despite the name, it does not dry skin.
Quick facts about Cetearyl Alcohol
Low Risk
0 = won't clog pores · 5 = highly pore-clogging
Low Risk
0 = inert · 5 = often irritating
Emulsifiers
Generally considered safe
Typically yes
Cetyl/Stearyl Alcohol Blend
Quick verdict
Cetearyl Alcohol is a emulsifier with a low risk comedogenic profile (2/5) and low risk irritancy (1/5). A waxy, fatty alcohol blend that emulsifies oil and water and gives creams their thick, velvety texture. Despite the name, it does not dry skin.
What is Cetearyl Alcohol?
Cetearyl alcohol is a blend of two long-chain fatty alcohols — cetyl alcohol (16-carbon) and stearyl alcohol (18-carbon) — derived from coconut, palm or vegetable oil. Despite the word 'alcohol' in the name, it has nothing in common with drying alcohols like ethanol or denatured alcohol. Fatty alcohols are waxy solids that emulsify oil and water, thicken creams and give moisturisers their characteristic velvety feel. Cetearyl alcohol is used in nearly every cream-textured skincare product on the market.
Comedogenic Rating: What 2/5 Means for Your Skin
Cetearyl alcohol is rated 2/5 comedogenic. For most people it is non-problematic, but a minority of acne-prone users do report congestion when it is high in the ingredient list of leave-on products. Wash-off products and products where it appears low in the INCI list are very rarely an issue. If you are highly acne-prone, look for moisturisers that use cetearyl olivate or behenyl alcohol instead.
Benefits for skin
- Stabilises moisturisers and prevents oil/water separation
- Acts as a soft occlusive, sealing in hydration
- Gives products their pleasant, creamy slip
Potential side effects & who should avoid it
Cetearyl alcohol is very well-tolerated. True allergy is rare but documented, particularly in eczema-prone skin. Patch test if you have a history of cosmetic allergies. Confusion between fatty alcohols and drying alcohols leads many people to avoid it unnecessarily — this ingredient does not dry out the skin.
Best for
- Dry
- Normal
- Mature
- Sensitive
Avoid if
- Highly acne-prone (use cautiously)
How to use Cetearyl Alcohol safely
No special precautions needed. If you are highly acne-prone and notice congestion, scan the ingredient list of new products and avoid those where cetearyl alcohol appears in the top five.
Commonly found in
Cetearyl alcohol is in moisturisers, cleansers, conditioners, hair masks and most cream or lotion-textured products. It is a near-universal formulation ingredient.
Found Cetearyl Alcohol in your skincare?
Paste the full ingredient list into our INCI Analyser to see how this ingredient interacts with everything else in the formula.
Frequently asked questions
Other emulsifiers to know
Want the full picture on pore-clogging ingredients? Read our complete guide to comedogenic ingredients for the dermatology research behind the 0–5 scale and the full list of high-risk ingredients to avoid.
Written by ScanSkinAI Team · Last updated May 2026
This information is for educational purposes only. Always patch-test new products and consult a dermatologist if you have specific skin concerns.