Is Cyclohydroxyprolyl Serine safe in cosmetics?
Cyclohydroxyprolyl Serine has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
EXCELLENT
Cosmetic Ingredient
Cyclohydroxyprolyl Serine
INCI: CYCLOHYDROXYPROLYL SERINE
Cyclohydroxyprolyl Serine (CAS Not broadly published; may be proprietary to specific active suppliers.) is a cosmetic cosmetic ingredient functioning as Skin-conditioning anti-ageing peptide active (firming, texture-improving),. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
CAS Number
Not broadly published; may be proprietary to specific active suppliers.
View industrial chemical safety profile →
Function
Skin-conditioning anti-ageing peptide active (firming, texture-improving), consistent with cyclic peptide use in cosmetics
Editorial assessment
EXCELLENT
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No FDA-specific restriction as cosmetic ingredient; treated as cosmetic active with standard safety substantiation expectation
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Cyclohydroxyprolyl Serine.
Calculate MoS for your specific formulation with the MoS Calculator.
Editorial summary
Preliminary editorial summary for Cyclohydroxyprolyl Serine — not a computed safety verdict. See the sourced toxicological data above.
Frequently Asked Questions
Is Cyclohydroxyprolyl Serine allowed in the EU?
Cyclohydroxyprolyl Serine EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Cyclohydroxyprolyl Serine do in cosmetics?
Cyclohydroxyprolyl Serine functions as: Skin-conditioning anti-ageing peptide active (firming, texture-improving), consistent with cyclic peptide use in cosmetics. It is classified as a cosmetic ingredient in our database. CAS number: Not broadly published; may be proprietary to specific active suppliers..
Compliance Tools
Check Cyclohydroxyprolyl Serine compliance across multiple jurisdictions:
Ingredient Decoder
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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