Thymine

INCI: THYMINE

CAS Number
65-71-4
Function
Skin Conditioning
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 ingredient provisions. No FDA monograph

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

No CIR or SCCS safety assessment available. Incompatible with strong oxidizing agents . Very limited cosmetic use data

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Concern Level: Low

Frequently Asked Questions

Is Thymine safe in cosmetics?

No CIR or SCCS safety assessment available. Incompatible with strong oxidizing agents . Very limited cosmetic use data The EU classifies Thymine as "permitted". Safety rating: GOOD.

Is Thymine allowed in the EU?

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

What does Thymine do in cosmetics?

Thymine functions as: Skin Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 65-71-4.

What is the Margin of Safety for Thymine?

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.

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