Ceresin
Helps oil and water mix.
In the Mineral oil group
What it is
A wax made by purifying ozokerite, a mineral wax that occurs naturally in the earth.
Thickens the product, helps hold it together and helps keep oil and water from separating.
What it does in a formula
Helps oil and water mixOfficial EU function: Emulsion stabilising
Gives the textureOfficial EU function: Viscosity controlling
Makes the formula less see-throughOfficial EU function: Opacifying
Conditions and detangles hairOfficial EU function: Hair conditioning
Reduces staticOfficial EU function: Antistatic
Why some people watch for it
Mineral oil
Some people prefer plant-based or petroleum-free formulas, or avoid heavy, occlusive textures on oily or blemish-prone skin.