Lactulose
AKA “D-Lactulose, Bifiteral, Cephulac, Chronulac, Constilac, Lactulosa, Acilac, Cholac”
Synthetic
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Ingredient Facts
Lactulose
AKA: D-Lactulose, Bifiteral, Cephulac, Chronulac, Constilac, Lactulosa, Acilac, Cholac
Synthetic · Humectant | Skin Conditioning · EWG: 4
Plant-Derived
Humectant
Skin Conditioner
Synthetic
Clean
A natural sugar that acts as a humectant, drawing moisture into skin and helping it stay hydrated and soft.
Solubility Soluble in cold water, hot water. Solubility in water: 76.4% @ 30 deg. C
Formula
C12H22O11
Mol. Weight
342.30
CAS #
4618-18-2
Form
Powder
Plant-Derived
Synthetic. Lactulose is synthesized from lactose, a natural disaccharide found in milk. It is produced through isomerization of lactose using alkaline catalysts or specific enzymes.
Function
Humectant | Skin Conditioning
Benefits
Locks In Moisture
Traditional Use
Lactulose is a synthetic disaccharide developed in the 20th century. Used in cosmetics as a humectant and prebiotic ingredient believed to support skin microbiome health.
Skin Types
all-skin-types
Best For
Target
Dryness
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR