Regulatory Status
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Safety Data
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Expert Verdict
Historical EMS (Eosinophilia-Myalgia Syndrome) link was traced to a specific contaminated batch (Showa Denko, 1989), not to tryptophan itself; photosensitivity potential — tryptophan metabolites can generate reactive oxygen species under UV; source verification important (animal vs. fermentation-derived)
Regulatory Flags
Frequently Asked Questions
Is Tryptophan safe in cosmetics?
Historical EMS (Eosinophilia-Myalgia Syndrome) link was traced to a specific contaminated batch (Showa Denko, 1989), not to tryptophan itself; photosensitivity potential — tryptophan metabolites can generate reactive oxygen species under UV; source verification important (animal vs. fermentation-derived) The EU classifies Tryptophan as "permitted". Safety rating: GOOD.
Is Tryptophan allowed in the EU?
Tryptophan EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Tryptophan do in cosmetics?
Tryptophan functions as: Antistatic, Fragrance, Hair Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 54-12-6 (L-form) / 73-22-3 (DL-form).
What is the Margin of Safety for Tryptophan?
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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