Ingredient glossary
Denatured Alcohol
INCI: Alcohol Denat · Also: SD Alcohol 40, Ethanol
Just a base
Does Denatured Alcohol clash with what you already use? Check it →A carrier that holds the formula together. It does not treat skin, and it was never meant to.
What it does
- solvent
- penetration enhancer
- astringent
moderate evidenceBarrier and irritation data show denatured alcohol increases transepidermal water loss and irritation with repeated or high-concentration use despite low systemic toxicity on intact skin.
Who it's for, and who should skip it
Tends to suit
- oily
- acne prone
Approach with care
- very sensitive
- compromised barrier
- rosacea
- eczema
- Clogs poresLow
- Irritation riskHigh
This, for every label you own
One ingredient is easy. A full label is where it gets confusing. The Ingredient Decoder reads any product and tells you the honest truth, ingredient by ingredient.
Educational information about a cosmetic ingredient, not medical advice.