myristyl alcohol

What it is
Myristyl Alcohol is a fatty alcohol.

What it does
Myristyl Alcohol is an emulsifier that prevents the oily and liquidy parts of a formula from separating.
In addition, it acts as a conditioning agent, leaving skin soft and smooth.
This ingredient is also used to alter the thickness of liquid cosmetic products and to increase foaming capacity.

Side effects
Myristyl Alcohol can be irritating and cause allergies.

(Sources: cosmeticsinfo and pubmed)