Preservative ingredient

Laurylpyridinium Chloride

A quaternary ammonium chloride salt used at low concentrations in cosmetics as an antimicrobial preservative and antistatic agent, also employed as an antiseptic in pharmaceutical oral care products.

Also known as: lauryl pyridinium chloride

AntimicrobialAntistaticSurfactantDeodorant

Benefits

  • Inhibits microbial growth, helping preserve cosmetic formulations
  • Reduces static charge on hair and skin surfaces
  • Provides mild deodorant effect via antimicrobial action

Watch for

  • Quaternary ammonium compound — may cause skin sensitization or irritation at higher concentrations
  • Rare in cosmetics (found in ~0.01% of products); safety data at cosmetic concentrations is limited compared to pharmaceutical antiseptic use
At a glance
CategoryPreservative
IrritancyModerate–high
Beginner-friendlyYes
In your routine

Generally well-tolerated and easy to layer.

Found in 2 products
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Products with Laurylpyridinium Chloride

Toner
Fraijour
Original Wormwood Calming Toner
Serum
TI'AM
Vita B3 Source