Acetyl Tryptophan

INCI: ACETYL TRYPTOPHAN

CAS Number
1218-34-4 (N-Acetyl-L-tryptophan)
Function
Skin conditioning, hair conditioning, antioxidant
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically regulated; permitted under general cosmetic use; also used as a pharmaceutical excipient (albumin stabilizer)

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Well-characterized biochemistry with no significant safety concerns.

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Concern Level: Low

Frequently Asked Questions

Is Acetyl Tryptophan safe in cosmetics?

Well-characterized biochemistry with no significant safety concerns. The EU classifies Acetyl Tryptophan as "permitted". Safety rating: GOOD.

Is Acetyl Tryptophan allowed in the EU?

Acetyl Tryptophan EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Acetyl Tryptophan do in cosmetics?

Acetyl Tryptophan functions as: Skin conditioning, hair conditioning, antioxidant. It is classified as a cosmetic ingredient in our database. CAS number: 1218-34-4 (N-Acetyl-L-tryptophan).

What is the Margin of Safety for Acetyl Tryptophan?

adequate 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.

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