murphyLactitol
AKA: 585-86-4, 4-O-beta-D-Galactopyranosyl-D-glucitol, Importal, D-lactitol, Lactositol, Lactosit, Miruhen, Lactitolum, Lactobiosit
Synthetic
Humectant
Skin Conditioner
Clean
OriginLactitol is produced through the hydrogenation of lactose, a disaccharide sugar derived from milk. The synthesis involves catalytic hydrogenation that reduces the aldehyde group of lactose to a primary alcohol.
4-O-.beta.-D-Galactopyranosyl-D-glucitol
Solubility Very soluble in water
Formula
C12H24O11
Mol. Weight
344.31
CAS #
585-86-4
Form
Liquid
State
Crystalline powder or colourless solution. Crystalline products occur in anhydrous, monohydrate and dihydrate forms. Nickel is used as a catalyst.
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
Functions
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.
Locks In Moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Eye Irritant
1 study / 1 not irritating (CIR 657)
Not a Skin Irritant
2 studies / 2 not irritating (CIR 657)
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 657)
Concentration Guide
Leave-onNot reported
Rinse-off0.15–0.2%
0%50%100%
CIR reported use · report published 2019
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR