Regulatory Status
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Safety Data
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Expert Verdict
No documented cosmetic safety concerns; the compound is a naturally occurring amino acid derivative. Chemically described as sulfonium, [(3S)-3-amino-3-carboxypropyl]dimethyl-, inner salt; widely known as Vitamin U (S-methylmethionine); naturally found in cabbage and other cruciferous vegetables; valued for wound-healing support, anti-inflammatory action, and mucosal protection - hence the oral care function
Regulatory Flags
Frequently Asked Questions
Is Methylmethionine safe in cosmetics?
No documented cosmetic safety concerns; the compound is a naturally occurring amino acid derivative. Chemically described as sulfonium, [(3S)-3-amino-3-carboxypropyl]dimethyl-, inner salt; widely known as Vitamin U (S-methylmethionine); naturally found in cabbage and other cruciferous vegetables; valued for wound-healing support, anti-inflammatory action, and mucosal protection - hence the oral care function The EU classifies Methylmethionine as "permitted". Safety rating: MODERATE.
Is Methylmethionine allowed in the EU?
Methylmethionine EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Methylmethionine do in cosmetics?
Methylmethionine functions as: Astringent, Oral Care, Skin Conditioning, Skin Conditioning - Emollient, Skin Protecting. It is classified as a cosmetic ingredient in our database. CAS number: 4727-40-6.
What is the Margin of Safety for Methylmethionine?
not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.
Compliance Tools
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Related Ingredients
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