Antiseptic ingredients of cosmetic
Parabens: Quasi-use includes methyl paraben, ethylparaben, propylparaben, butylparaben, and the like. It is one of the oldest preservatives and it is also very mild. Among them, hydroxybutyrate is antifungal, and its safety has been controversial in recent years, but the US CIR believes that the evidence so far indicates that it is safe to use these ingredients in cosmetics.
Quaternary ammonium salts: Quaternium, a class of surface-active bacteriostatic agents with strong bactericidal ability, but in some cases can also produce irritation
Sodium benzoate: Sodium benzoate, which has a strong inhibitory effect on yeast and a certain degree of inhibition on mold and bacteria.
DMDM hydantoin: DMDM hydantoin, a relatively common preservative, moderately irritating, inhibits both bacteria and fungi, although it is a formaldehyde release agent, it has a good safety record.
Iodopropynyl butyl carbamate: iodopropynyl butylcarbamate, referred to as IBPC, is a mild, broad-spectrum and stable fungicide
Phenoxyethanol: Phenoxyethanol, a broad-spectrum antibacterial agent that inhibits both fungi and bacteria. When the concentration is high, the skin may have a burning sensation.
Imidazolidinyl urea, one of the most widely used preservatives, is usually used in combination with other preservatives to enhance the antiseptic effect. It can release more formaldehyde at high temperatures. In various formaldehyde-releasing preservatives, Easy to cause allergies
Methylisothiazolinone: Methylisothiazolinone, a once-popular bacteriostatic agent, has excellent bacteriostatic effects at low dosages, but unfortunately the safety is poor, so the EU has been banned. The Shanghai Dermatology Hospital found that this ingredient has the highest adverse reaction rate among various preservatives.
Pentylene glycol: Pentylene glycol or Pentanediol, a moisturizer, also acts as a polyol, also has antiseptic effect, usually added to the "no added" product, if the purity is higher, the safety is better.
Hexanediol: Hexylene glycol or Hexanediol ("Chanthol H6"), a humectant that also acts as a solvent, has a bacteriostatic effect, and is extremely safe.
Octanediol, Octanebiol, glycols with broad-spectrum antibacterial ability