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 →
Auto-generated CPSR Part A draft with source citations
Function
Film forming, viscosity controlling, skin conditioning
Safety Rating
EXCELLENT
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.
Expert Verdict
Expert safety assessment and concern-level summary for 3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer.
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
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Related Ingredients
3-Hydroxybutyrate/3-Hydroxyhexanoate Copolymer
Excellent
Same category
Film Forming, Viscosity Controlling, ...
4-PCA Dimethicone/Bis-Vinyldimethicone Crosspolymer
Excellent
Same category
Film forming, hair conditioning, skin...
Acrylates Crosspolymer-3
Excellent
Same category
Bulking agent, chelating agent, emuls...
Acrylates Crosspolymer-4
Excellent
Same category
Emulsion stabilizer, film former, dis...
Acrylates Crosspolymer-6
Excellent
Same category
Film former, viscosity increasing age...
Acrylates/VP Crosspolymer
Excellent
Same category
Film forming, viscosity controlling
1-Methylhydantoin-2-imide (Creatinine)
Excellent
Similar safety
Skin conditioning (skin brightening/l...
2,6-Dimethyl-7-octen-2-ol (Dihydromyrcenol)
Excellent
Similar safety
Fragrance (perfuming), masking
2-Ethoxy-2,6,6-Trimethyl-9-Methylenebicyclo[3.3.1]Nonane (Boisiris™)
Excellent
Similar safety
Fragrance (rich woody, orris/iris roo...
2-Hydroxypropylcarbamato Amodimethicone
Excellent
Similar safety
Hair conditioning; modified aminosili...
2-O-Ethyl Ascorbic Acid
Excellent
Similar safety
Softener and conditioner
3 O Ethyl Ascorbic Acid
Excellent
Similar safety
Antioxidant; tyrosinase inhibitor; me...
3-Heptanol
Moderate
Browse nearby
Perfuming / Solvent
3-Heptenyl Isobutyrate
Good
Browse nearby
Perfuming (fragrance)
3-Hexenal
Moderate
Browse nearby
Perfuming (fragrance)
Is 3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for 3-Hydroxybutyrate/4-Hydroxybutyrate Copolymer in your formulation.