Lanolin Acid
AKA “Lanolin fatty acids, Wool wax acids
Synthetic
Ingredient Facts
Lanolin acid
AKA: Lanolin fatty acids, Wool wax acids
Synthetic · Emollient · EWG: 5
Plant-Derived Synthetic
Emollient
Cleanser
Emulsifier
Skin Conditioner
Barrier Lipid
Synthetic
Clean
Lanolin Acid gently cleanses while softening and conditioning skin. This natural ingredient helps create a smooth texture and keeps moisture locked in.
CAS #
68424-43-1
Form
Liquid
See origin →
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Locks In Moisture
Traditional Use
Derived from lanolin (wool grease), used historically since the late 19th century when lanolin processing became refined. The fatty acid component of lanolin was isolated for use as an emulsifier and skin conditioning agent in cosmetics.
Skin Types
all-skin-types
Best For
Dryness
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Lanolin (Wool)
EWG
5
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR