Isostearyl Alcohol

Isostearyl alcohol is a branched-chain fatty alcohol used in cosmetic formulas as an emollient and viscosity modifier. It's incorporated to add slip, reduce tack, and boost spread in creams, lip products, and sunscreens.
Like this ingredient?

Ingredient Snapshot

Overview
A fatty alcohol that smooths texture and helps lock in moisture.
Category
Skin Conditioning, Barrier Support
Type
Emollient

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

Low

Skin Benefits

Provides a smooth, velvety finish that improves comfort during wear. Helps lock in moisture by forming a soft, protective emollient layer.

Uses In Skincare & Cosmetics

Frequently found in lipsticks, sunscreens, lotions, and primers to improve glide and a refined skin feel.

Comedogenic Rating

Isostearyl Alcohol has a comedogenic rating of 1. It has a very low likelihood of clogging pores.

Safety

Considered low risk for irritation and sensitization. Very sensitive skin types should patch test new formulas, especially around the eyes.

Is Isostearyl Alcohol a Good Ingredient?

Rated Good as a fatty alcohol emollient that improves glide and reduces tack, delivering consistent comfort and barrier support with low irritation potential. It's dependable rather than exceptional, which keeps it at Good.

Products with Isostearyl Alcohol

Related Ingredients