Methylsulfonylmethane
INCI: MSM
Reviewed by Rosie · Last updated 18 Aug 2026
Also known as: Dimethyl Sulfone, Dimethyl Sulphone
Organic sulfur for collagen support and detox
Addresses
EWG Safety Score
What Is Methylsulfonylmethane?
Methylsulfonylmethane (MSM) is an organic sulfur compound found naturally in plants and animals. Sulfur is essential for the formation of collagen, keratin, and other structural proteins in the skin.
MSM provides the sulfur needed for protein synthesis while also offering anti-inflammatory and detoxifying benefits. It supports skin health at a fundamental structural level.
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