Cysteine DNA

INCI: CYSTEINE DNA

Cysteine DNA (CAS Not established; likely proprietary complex of cysteine with nucleic acid fragments; no unified CAS found in open cosmetic databases) is a cosmetic cosmetic ingredient functioning as Skin conditioning, antioxidant complex with claimed anti-ageing properties. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS Not established; likely proprietary complex of cysteine with nucleic acid fragments; no unified CAS found in open cosmetic databases →

CAS Number
Not established; likely proprietary complex of cysteine with nucleic acid fragments; no unified CAS found in open cosmetic databases
View industrial chemical safety profile →
Function
Skin conditioning, antioxidant complex with claimed anti-ageing properties
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes No specific FDA status; treated as cosmetic ingredient subject to general safety requirements; DNA repair claims may trigger drug classification scrutiny

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Cysteine DNA.

Calculate MoS for your specific formulation with the MoS Calculator.

Editorial summary

Preliminary editorial summary for Cysteine DNA — not a computed safety verdict. See the sourced toxicological data above.

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Cysteine DNA safe in cosmetics?

Cysteine DNA has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is Cysteine DNA allowed in the EU?

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

What does Cysteine DNA do in cosmetics?

Cysteine DNA functions as: Skin conditioning, antioxidant complex with claimed anti-ageing properties. It is classified as a cosmetic ingredient in our database. CAS number: Not established; likely proprietary complex of cysteine with nucleic acid fragments; no unified CAS found in open cosmetic databases.

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