Is 3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer safe in cosmetics?
3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
EXCELLENT
Cosmetic Ingredient
3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer
INCI: 3-HYDROXYBUTYRATE/4-HYDROXYBUTYRATE COPOLYMER
3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer (CAS Polymer — no single CAS; PHA class copolymer) is a cosmetic cosmetic ingredient functioning as Film forming, viscosity controlling, skin conditioning. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS Polymer — no single CAS; PHA class copolymer →
Function
Film forming, viscosity controlling, skin conditioning
Editorial assessment
EXCELLENT
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
No specific FDA restriction
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for 3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer.
Calculate MoS for your specific formulation with the MoS Calculator.
Editorial summary
Preliminary editorial summary for 3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer — not a computed safety verdict. See the sourced toxicological data above.
Frequently Asked Questions
Is 3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer allowed in the EU?
3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does 3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer do in cosmetics?
3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer functions as: Film forming, viscosity controlling, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: Polymer — no single CAS; PHA class copolymer.
Compliance Tools
Check 3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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