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Derived from the earth, perlite is a form of volcanic rock. Made mostly of silica—a common mineral found in the earth’s crust—perlite encapsulates large water molecules inside of its structure. This lends perlite with a hollow, spherical shape that makes it an effective-yet-gentle mechanical exfoliator when formulated in skincare that can help improve texture and brighten the skin.
1. https://sciencing.com/perlite-5402928.html
2. https://www.fda.gov/cosmetics/cosmetics-laws-regulations/microbead-free-waters-act-faqs
3. https://www.ewg.org/skindeep/ingredients/722123-PERLITE/
4. https://www.imerys.com/markets/cosmetics-personal-care/benefits/exfoliation
5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5172479/
6. https://www.aad.org/public/everyday-care/skin-care-secrets/routine/safely-exfoliate-at-home
7. https://www.ewg.org/skindeep/ingredients/722123-PERLITE/