Alcohol Denat.
Solvent & texture aid
Alcohol denat. is ethanol with an additive that makes it undrinkable. Products use it to give a light, quick-drying feel, to help other ingredients dissolve and to cut shine. Near the top of a list it can dry out skin; lower down, in a small amount, it is unlikely to matter for most people.
What is Alcohol Denat.?
A drying alcohol sometimes used to improve product texture and help ingredients absorb quickly. Higher concentrations may be drying for some skin types.
In skincare terms, Alcohol Denat. is an ingredient some people find can be sensitising, depending on their skin.
Why products contain it
- Texture: it evaporates fast, so gels, toners and sunscreens feel light and non-greasy.
- Solubility: it helps dissolve ingredients that don't mix with water.
- Oil control: it gives a temporary matte finish.
Is it bad for your skin?
In patch tests with 60–100% alcohol, researchers found no significant damage to the skin barrier or redness, but skin hydration did fall (Löffler 2007). In the same study, alcohol was less irritating than washing with a detergent. Topical ethanol can cause irritation or contact dermatitis in some people, especially those whose bodies process alcohol poorly (Lachenmeier 2008).
In practice: a formula with alcohol high in the list may feel drying, especially for dry or sensitive skin. Lower in the list it is usually a minor ingredient.
How to read the label
- We group alcohol denat., SD alcohol, ethanol and 'alcohol' together.
- Fatty alcohols such as cetyl, cetearyl and stearyl alcohol are a different thing — waxy softeners that don't dry the skin.
- If you have dry or sensitive skin, look for products where alcohol is lower in the list or absent.
Where you'll find it
In our catalogue, Alcohol Denat. appears in spf, serums, moisturisers, cleansers and more.
Also listed as
On an ingredients label (INCI), Alcohol Denat. may appear as: alcohol denat, alcohol denat., denatured alcohol, sd alcohol, sd alcohol 40, ethanol, alcohol.
Prefer to avoid drying alcohol? See our alcohol-free picks, checked against full ingredient lists.
Related ingredients
Common questions about alcohol denat.
Is alcohol denat. the same as cetearyl alcohol?
No. Cetearyl alcohol is a fatty alcohol that softens and thickens; it isn't drying.
Should I avoid all products with alcohol?
Not necessarily. Many well-tolerated sunscreens and gels contain it. If your skin is dry or reactive, choose formulas where it isn't near the top.
Is alcohol in skincare good for oily skin?
It can give a fresh, matte feel, but over-drying can make skin feel tight. A light alcohol-free gel is an alternative.
Sources
- Löffler H et al. How irritant is alcohol? Br J Dermatol, 2007.
- Lachenmeier DW. Safety evaluation of topical applications of ethanol on the skin and inside the oral cavity. J Occup Med Toxicol, 2008.
Last reviewed 19 Oct 2026.
