Microcrystalline waxes are a type of wax produced by de-oiling petrolatum, as part of the petroleum refining process. It is characterized by the fineness of its crystals in contrast to the larger crystal of paraffin wax. The elastic and adhesive characteristics of microcrystalline waxes are related to the non-straight chain components which they contain. Typical microcrystalline wax crystal structure is small and thin, making them more flexible than paraffin wax. It is commonly used in cosmetic formulations.