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Common Name(s): Peg-150 lanolin,polyoxyethylene lanolin peg-150,ethoxylated lanolin-150

CAS Number: 61790-81-6

DESCRIPTION

What It Does: Makes lanolin water-soluble for lightweight conditioning in water-based formulas.

Why It's Used: Very high eo count (150) renders lanolin fully water-soluble; suitable for clear cosmetic systems needing lanolin's conditioning benefits.

How It Works: 150 eo units give very high hlb (~18โ€“19); lanolin core provides characteristic skin conditioning; product is water-soluble and can be incorporated into aqueous systems for clear lanolin-conditioning formulas.

Typically Found In: Shampoos,clear conditioners,lightweight skin lotions,professional hair treatments

TECHNICAL DETAILS

Primary Category: Functional ingredient โ€“ emulsifier

Secondary Functions: Skin conditioning,emollient,hair conditioning

Application Areas:

Facial Skincare

Body Care

Hair Care

Beard Care

Color Cosmetics (Makeup)

Dietary/Oral Supplements

Typical Concentration Range: 0.5%โ€“3%

SOURCING & ETHICS

Vegan Status: No - animal-derived

Halal Status: Conditional - wool-derived from live shorn sheep; no slaughter involved, but certifier stance varies; sheep-origin documentation required

Source Notes: Lanolin from sheep wool wax (animal origin); eo from petrochemical. [audit 2026-07-29 rev2: wool-derived; certifier stance varies and is not recorded. determination requires shariah-panel sign-off.]

SKIN COMPATIBILITY

Irritancy Rating: 1/5 โ€“ very low

Comedogenicity Rating: 1/5 โ€“ low

Sensitivity Concerns: Generally well tolerated; rare lanolin sensitization in atopic individuals.

Safe for Sensitive Skin: Conditional โ€“ rare lanolin allergy

SAFETY & COMPATIBILITY

Safety Profile: Good safety profile. ewg score: 1โ€“3.

Works Well With: Peg-based emulsifiers,conditioning agents,humectants

Avoid Combining With: No significant incompatibilities

SCIENTIFIC NOTE

Heavily ethoxylated lanolin (peg-150) is water-soluble and forms clear solutions; lanolin ethoxylates have been used in professional hair care for decades; cir reviewed and considered safe; cas 61790-81-6.

Last Verified: 2026-03-27

Primary Sources: Cosing database,inci dictionary,cas 61790-81-6,cir safety assessment lanolin