Common Name(s): Isoamyl meadowfoamate,isoamyl alcohol (branched c5) meadowfoam seed oil fatty acids (c20:1 dominant) ester

DESCRIPTION

What It Does: Softens and conditions skin with a light, non-greasy feel.

Why It's Used: Used for its lightweight unique ester of meadowfoam c20:1 fatty acid; non-greasy; very long chain conditioning emollient properties; suitable for lightweight skin care where non-greasy texture is key.

How It Works: Ester of isoamyl alcohol (branched c5) (branched or specialty alcohol) with meadowfoam seed oil fatty acids (c20:1 dominant); branching reduces crystallinity and greasiness; provides smooth, dry-oil skin feel.

Typically Found In: Lightweight moisturizers,sunscreens,skin serums,body lotions

TECHNICAL DETAILS

Primary Category: Functional ingredient – emollient

Secondary Functions: Skin conditioning,texture modification,spreading agent

Application Areas:

Typical Concentration Range: 0.5%–10%

SOURCING & ETHICS

Vegan Status: Yes

Halal Status: Yes

Source Notes: Isoamyl alcohol (branched c5) and meadowfoam seed oil fatty acids (c20:1 dominant); plant or synthetic origin.

SKIN COMPATIBILITY

Irritancy Rating: 1/5 – very low

Comedogenicity Rating: 1/5 – low

Sensitivity Concerns: Generally well tolerated.

Safe for Sensitive Skin: Yes

SAFETY & COMPATIBILITY

Safety Profile: Good safety profile. ewg score: 1.

Works Well With: Other emollients,silicones,natural oils,humectants

Avoid Combining With: No significant incompatibilities

SCIENTIFIC NOTE

Isoamyl meadowfoamate: branched c5 isoamyl alcohol + c20:1 eicosenoic acid from meadowfoam; provides meadowfoam's unique very-long-chain character in a lightweight non-greasy ester form.

Last Verified: 2026-03-28

Primary Sources: Cosing database,inci dictionary