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Preservative
Supportive ingredient categoryPrevents bacterial and fungal growth, keeping the formula safe to use.
Why it matters: Any water-containing formula will grow bacteria and mould without preservatives. Used at very low concentrations (typically 0.1–1%).
All preservative ingredients in the databaseA–Z · Click to learn more
1,2-Hexanediol
Hexylene Glycol Derivative
Benzalkonium Chloride
BAC
Benzoic Acid
Benzyl Alcohol
Butylparaben
Caprylhydroxamic Acid
Caprylyl Glycol
1,2-Octanediol · Octylene Glycol
Chlorhexidine Dihydrochloride
Chlorphenesin
Dehydroacetic Acid
Ethylhexylglycerin
Octoxyglycerin
Ethylparaben
Hydroxyacetophenone
Iodopropynyl Butylcarbamate
IPBC
Leuconostoc/Radish Root Ferment Filtrate
Methylchloroisothiazolinone
MCI
Methylisothiazolinone
MIT
Methylparaben
Phenethyl Alcohol
2-Phenylethanol
Phenoxyethanol
2-Phenoxyethanol
Potassium Sorbate
Propylparaben
Sodium Benzoate
Benzoic Acid Sodium Salt · E211
ε-Polylysine
Epsilon-Polylysine · Polylysine