Is Serine safe in cosmetics?
Serine has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
Serine
INCI: SERINE [^1_13]
Serine (CAS 56-45-1 (L-Serine) [^1_12][^1_13]) is a cosmetic cosmetic ingredient functioning as Skin conditioning, hair conditioning, antistatic, NMF component, humectant. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 56-45-1 (L-Serine) [^1_12][^1_13] →
Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning, hair conditioning, antistatic, NMF component, humectant [^1_12][^1_14]
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; CIR assessed α-amino acids (including serine) as safe as used in cosmetics [^1_13]
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Serine.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Serine.
Frequently Asked Questions
Is Serine allowed in the EU?
Serine EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Serine do in cosmetics?
Serine functions as: Skin conditioning, hair conditioning, antistatic, NMF component, humectant [^1_12][^1_14]. It is classified as a cosmetic ingredient in our database. CAS number: 56-45-1 (L-Serine) [^1_12][^1_13].
Compliance Tools
Check Serine compliance across multiple jurisdictions:
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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