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LJ HairLab

Isostearyl Alcohol

Fatty alcohol CG-friendly

A branched, liquid fatty alcohol that acts as a light emollient.

How our checker rates it

ModeRatingWhy
Curly Girl Good Fatty alcohol — softening, not drying.
Relaxed hair Good Fatty alcohol — softening, not drying.
Low porosity OK No concerns for this mode.
Protein-sensitive OK No concerns for this mode.

Ratings assume it is listed near the top of the label. After the first preservative or fragrance (likely 1% or less) most cautions soften.

What fatty alcohol ingredients do

Long-chain alcohols that soften hair and thicken creams. Despite the name they are not drying — they behave more like waxy emollients.

Check a whole product Paste the full ingredient list to see every flag at once.

Similar ingredients

Sources

Last data update:

  1. Cosmetic Ingredient Review (CIR). Ingredient safety assessments. Safety assessments for cosmetic ingredients cited on ingredient pages.

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