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Film Former

HEMA ACETOACETATE

CAS 21282-97-3 Updated
32

Safety score · 0–100

Caution

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

HEMA acetoacetate, a reactive nail-polymer monomer. The HEMA family is restricted in the EU to professional use only due to severe contact-dermatitis cases.

Function

FILM FORMING

Skin benefits

  • Reactive monomer for nail polymer systems
  • Builds durable nail films when cured

Known concerns

  • HEMA family — banned in EU cosmetics for general use except by professionals
  • Strong skin sensitizer; lifelong allergic reactions reported
  • Allergic contact dermatitis cluster reported with gel polishes
  • EU restricted to professional use only

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

Related film formers

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ACETYLENEDIUREA/FORMALDEHYDE/TOSYLAMIDE CROSSPOLYMER
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EPOXY RESIN-2
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PEG-4 TRIMETHYLOLPROPANE TRIACRYLATE
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PERFLUOROCAPRYLYL TRIETHOXYSILYLETHYL METHICONE
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PERFLUORONONYLETHYL DIMETHICONE/METHICONE COPOLYMER
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PERFLUORONONYLETHYL PEG-8 PHENYLISOPROPYL DIMETHICONE
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POLYPERFLUOROISOPROPYL ETHER
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Check your shelf

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.