Chlorphenesin
klor-FEN-eh-sin
What Is Chlorphenesin?
A synthetic preservative with antibacterial and antifungal properties. It is sometimes used as a paraben-free preservative alternative in clean beauty-positioned products.
Source: Synthetic organic compound
Origin: Synthetic
Also known as: 3-(4-Chlorophenoxy)-1,2-propanediol
What Does Chlorphenesin Do to Your Hair?
Provides antimicrobial preservation against bacteria and fungi. Used as a preservative booster in combination with other preservatives. Also has mild muscle-relaxant properties (unrelated to cosmetic use).
Best For
All hair types (functional ingredient)
Not Recommended For
Sensitive scalp at higher concentrations
Concentration Matters
0.1-0.3% in products
Hair Type Compatibility
Method Compatibility
Safety & Regulation
Generally safe at standard cosmetic concentrations (under 0.3%). EU limits to 0.3% in cosmetics. Can cause irritation at higher concentrations. Japan restricts its use. Not as well-tolerated as some alternatives.
FDA Status: Generally Recognized As Safe
FDA permits use in cosmetics. EU limits to 0.3% maximum. Japan has additional restrictions.
EWG Score: 4/10
HairAide Verdict
Marketed as a clean preservative alternative to parabens but it has its own set of concerns. Adequately safe at EU-regulated concentrations but not necessarily cleaner than what it replaces.
Products That Contain Chlorphenesin
Clean beauty products, paraben-free shampoos and conditioners
Alternatives to Chlorphenesin
If you want to avoid Chlorphenesin, look for products with these ingredients instead:
Phenoxyethanol, Benzyl Alcohol, Sorbic Acid
Frequently Asked Questions
Chlorphenesin has a safety rating of 6/10. It's generally acceptable but may cause issues for some hair types. Generally safe at standard cosmetic concentrations (under 0.3%). EU limits to 0.3% in cosmetics. Can cause irritation at higher concentrations. Japan restricts its use. Not as well-tolerated as some alternatives.
Chlorphenesin is not CG-method approved. Curly hair types may want to avoid this ingredient or use products containing it sparingly.
No, Chlorphenesin is not approved for the Curly Girl method.
Some alternatives to Chlorphenesin include: Phenoxyethanol, Benzyl Alcohol, Sorbic Acid
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