INCI · occlusive · CIR review pending · used in 20 products
Microcrystalline Wax / Cera Microcristallina / Cire Microcristalline
Microcrystalline wax is a petroleum-derived wax distinguished from paraffin wax by the fineness of its crystals. It consists of high molecular weight saturated aliphatic hydrocarbons (CAS #: 63231-60-7). It is widely used in cosmetics and personal care formulations, particularly in lip balms, lip liners, eyebrow pencils, and stick formats.
Evidence level
moderateEWG score
—Comedogenic
—Category
occlusive● Benefits
Primarily functions as a viscosity controller and emulsion stabilizer, helping to give products a firm, structured texture. Its occlusive nature supports moisture retention on the skin surface. It also acts as a binding and bulking agent in solid cosmetic formats.
barrier-supporthydratingemollient
● Cautions
Derived from petroleum; individuals preferring non-petroleum-based ingredients may wish to avoid it.
