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CHLOROACETAMIDE.

Avoid CAS 79-07-2 / PRESERVATIVE

Chloroacetamide is a chlorinated compound historically employed as an antimicrobial preservative in cosmetic formulations. It is now widely recognized for its considerable sensitizing potential and has been banned for cosmetic use.

preservative

Science

It functions as a sulfhydryl alkylating reagent, forming covalent bonds with cysteine's thiol groups. This mechanism prevents protein disulfide bond formation, contributing to its broad-spectrum antimicrobial activity.


Research

Low confidence
Effective range N/A
Optimal

N/A


Transparency

Not commonly dusted

The Formula

Solubility
Water
Optimal pH N/A
0 7 14

Stability

This ingredient reacts with strong bases, such as sodium hydroxide, to produce glycolic acid derivatives, indicating instability in alkaline environments. Its own pH in water is 3.8-4.1.

Conflicts

  • Strong bases (e.g., NaOH)

Safety

CIR Status
Unsafe for use
Pregnancy
Caution
Sensitization risk High

The CIR Expert Panel concluded chloroacetamide is unsafe due to its potent human sensitizer potential. It is also classified as very toxic, with suspicions of reproductive toxicity and teratogenicity.


Your Skin

No Normal
No Dry
No Oily
No Sensitive
Irritancy High
Comedogenicity Unknown

Our Assessment

Avoid

Chloroacetamide is deemed unsafe for cosmetic use due to its high sensitizing potential, irritancy, and toxicity, warranting its complete avoidance in skincare formulations.


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