Hexamidine
AKA “Hexamidina, Hexamidinum, 6-Hexanediylbis(oxy))bis-benzenecarboximidamide, Benzenecarboximidamide, 6-di(para-amidinophenoxy)hexane”
Synthetic
Ingredient Facts
Hexamidine
AKA: Hexamidina, Hexamidinum, 6-Hexanediylbis(oxy))bis-benzenecarboximidamide, Benzenecarboximidamide, 6-di(para-amidinophenoxy)hexane
Synthetic · Antimicrobial · EWG: 4
Synthetic
Preservative
Synthetic
Clean
A gentle preservative that keeps your product fresh and safe to use, protecting against unwanted bacteria and mold.
Formula
C20H26N4O2
Mol. Weight
354.40
CAS #
3811-75-4
Form
Powder
See origin →
Functions
Preservative
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Antimicrobial
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Preserves Formula
Fights Bacteria
Reduces Inflammation
Wound Healing
Prevents microbial growth
Traditional Use
Developed in the mid-20th century as a synthetic antimicrobial agent. It was created specifically for use in cosmetics and personal care products as a preservative and antibacterial component.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.1%
0%0%
Reg. Limit
EU regulatory limit: 0.1%. Source: EU Cosmetics Regulation (EC) 1223/2009, Annex V (Preservatives), Entry 47.
Regulatory Agencies
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR