Ethyl Hexanediol
AKA “3-HEXANEDIOL, Ethohexadiol, 3-Hexanediol, Repellent 612, Rutgers 612, Carbide 6-12, 6-12 insect repellent, 3-hexylene glycol
Synthetic
Ingredient Facts
Ethyl hexanediol
AKA: 3-HEXANEDIOL, Ethohexadiol, 3-Hexanediol, Repellent 612, Rutgers 612, Carbide 6-12, 6-12 insect repellent, 3-hexylene glycol
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Solvent
Skin Conditioner
Synthetic
Clean
A lightweight solvent that helps dissolve and blend other ingredients evenly throughout the formula, ensuring smooth application and consistent product performance.
Solubility SOL IN WATER 0.6% WT/WT; SOLUBILITY OF WATER IN ETHOHEXADIOL 10.8% WT/WT; SOL IN ETHANOL, ISOPROPANOL, PROPYLENE GLYCOL, CASTOR OIL
Formula
C8H18O2
Mol. Weight
146.23
CAS #
94-96-2
Form
Liquid
State
Liquid
See origin →
Functions
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Moisturizing
Locks in moisture to keep skin soft and supple throughout the day
Strengthens Barrier
Dissolves other ingredients
Traditional Use
A synthetic humectant and emollient developed mid-20th century. Introduced to cosmetics as a skin conditioning agent that absorbs easily while providing hydration and solvent properties.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR