Label check
Recognizing SD Alcohol on a cosmetic label
SD Alcohol is a denatured-ethanol label name. The numbers or letters that follow identify the denatured form; they do not turn it into a fatty alcohol.
Part of Sensitive skin
This check covers US labels. Start with the exact package and variant you have, then use the steps below. Explore more skin & hair checks.
What to look at
- Read the full SD Alcohol name.
- Compare it with Alcohol Denat. wording on the other package.
- Keep cetyl and cetearyl alcohol out of an ethanol-only name match.
Read this label.
SD Alcohol 40-B on one label; Alcohol Denat. on another
Illustrative excerpt · not a real productBoth belong in a check for denatured ethanol. The spelling difference alone is not a meaningful way to choose between these examples.
Why this reading matters
Alcohol, SD Alcohol and Alcohol Denat. refer to ethanol-related label names. Cetyl, stearyl and cetearyl alcohol are different fatty alcohols; matching the word alcohol alone loses that distinction. US Food and Drug Administration.
What the label cannot settle
This name check does not measure drying effects or recommend a formula for a condition.
Put the check to work
Compare the exact words and amounts on your package with the example. If a panel is missing, a photo is unreadable or the manufacturer has not disclosed a detail, keep that detail as unknown. A different flavor, shade or formulation needs its own check.
For the full reading method, use our skin & hair label guide. The sensitive skin guide adds context for your needs.
A useful next check
- Alcohol Denat. vs cetearyl alcohol
- Checking a hypoallergenic body lotion
- Comparing two cosmetic ingredient lists
Sources read and this label example reviewed on 2026-09-23. Examples are illustrative, not product tests or clinical reviews.
Sources
- Alcohol Free cosmetics US Food and Drug Administration · fda.gov Distinguishing ethanol, denatured alcohol and fatty alcohols