MICROCRYSTALLINE WAX
Microcrystalline wax, listed as MICROCRYSTALLINE WAX on an ingredient label, is a petroleum-derived wax. It is made of long-chain saturated hydrocarbons and is solid at room temperature. In cosmetics, it commonly appears in sticks, balms, and ointment-like products, where a firm texture is part of how the product is used.
MICROCRYSTALLINE WAX: what it is
Microcrystalline wax, listed as MICROCRYSTALLINE WAX on an ingredient label, is a petroleum-derived wax. It is made of long-chain saturated hydrocarbons and is solid at room temperature. In cosmetics, it commonly appears in sticks, balms, and ointment-like products, where a firm texture is part of how the product is used.
It is not simply another name for ordinary paraffin wax. The distinction is the crystal size: microcrystalline wax has finer crystals than paraffin wax. That structure helps explain why it can add body to a wax-based product without giving exactly the same feel or firmness as another petroleum-derived wax.
MICROCRYSTALLINE WAX: what it does in cosmetics
In a cosmetic product, microcrystalline wax can add bulk and control viscosity, helping a product stay thicker and hold its shape rather than run. It can also help bind components in the base and support a more uniform emulsion, which matters when water and oil need to remain evenly distributed during use.
A study of liquid-paraffin organogels made with several waxes, including microcrystalline wax, measured friction on an artificial skin surface. It provides context for how the wax can affect the texture of a mixture, but it does not show a direct skin benefit or test a finished cosmetic on people. It is therefore best understood as a structure- and feel-building ingredient.
Products containing this ingredient
See which products include it and the name used in each composition.
