Microcrystalline wax is a plastic-type, highly refined wax derived from petroleum and purified for use in cosmetics. Used as a thickener and to give products a semi-solid to solid smooth texture.
References for this information:
Journal of The European Academy of Dermatology and Venereology, October 2019, ePublication
Bundesinstitut für Risikobewertung, February 2018, ePublication
International Journal of Cosmetic Science, 2011, pages 263-268
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