What a 3/5 rating means
On the comedogenic scale, a 3 is the moderate midpoint: tolerated by many, a possible trigger for congestion-prone skin. That puts Isocetyl Alcohol squarely in the judgement-call zone, where your skin type and the product's formula decide the outcome.
This rating is disputed. Credible sources land on different numbers for Isocetyl Alcohol, so we publish the range (3) rather than a false single figure. When sources disagree this openly, your own experience carries real weight.
One thing the number cannot tell you is concentration. Ingredients are listed in descending order, so Isocetyl Alcohol near the end of a label is present in tiny amounts and matters far less than the same ingredient near the top.
About Isocetyl Alcohol
It is a fatty alcohol — a waxy, moisturising ingredient, not the drying kind of alcohol. A branched fatty alcohol named on pore-clogging lists in the moderate range.
Isocetyl Alcohol in makeup and skincare
It thickens foundations, cream blushes, conditioners, and lotions. Its irritancy is rated separately at 0/5, which is low.
Lower-rated alternatives to Isocetyl Alcohol
If you want a similar role with a friendlier comedogenic score, consider:
- Squalane — comedogenic rating 1/5 (Low risk).
- Niacinamide — comedogenic rating 0/5 (Low risk).
Isocetyl Alcohol comedogenic FAQ
Is Isocetyl Alcohol comedogenic?
Moderately. Isocetyl Alcohol is rated 3/5 (moderate), the middle of the 0–5 scale: many people tolerate it, but it can contribute to breakouts on congestion-prone skin. Sources disagree on Isocetyl Alcohol, so the rating is less settled than most.
What is the comedogenic rating of Isocetyl Alcohol?
Isocetyl Alcohol has a comedogenic rating of 3/5 (moderate). Of the 190 ingredients in our dataset with a published rating, 39 rate higher than Isocetyl Alcohol, 97 rate lower, and 53 others share its 3/5. Among the 7 rated fatty alcohols, 1 rates higher and 4 lower. The figure is drawn from 1 cited source, listed on this page.
Is Isocetyl Alcohol pore-clogging?
It can be for some people. At 3/5, Isocetyl Alcohol is in the moderate band. How much it matters depends on concentration: near the top of an ingredient list it is a bigger factor than near the end. Comedogenic ratings come mostly from rabbit-ear assays and small human patch tests of the pure ingredient at high concentration, so they are a screening guide, not a prediction for your skin or a medical claim.