Cosmate®CPH,Chlorphenesin is a synthetic compound that belongs to the class of organic compounds called organohalogens. Chlorphenesin is a phenol ether (3-(4-chlorophenoxy)-1,2-propanediol), derived from chlorophenol containing a covalently bound chlorine atom. Chlorphenesin is a preservative and cosmetic biocide that helps prevent the growth of microorganisms.