Common Name(s): Myreth-3 ethylhexanoate,myreth-3 (peg-3 myristyl ether terminal oh) 2-ethylhexanoic acid (branched c8) ester

DESCRIPTION

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

Why It's Used: Used for its ester-capped peg-3 myristyl ether; mild emollient-surfactant hybrid; non-greasy emollient properties; suitable for lightweight skin care where non-greasy texture is key.

How It Works: Ester of myreth-3 (peg-3 myristyl ether terminal oh) (branched or specialty alcohol) with 2-ethylhexanoic acid (branched c8); 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: Myreth-3 (peg-3 myristyl ether terminal oh) and 2-ethylhexanoic acid (branched c8); 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

Myreth-3 ethylhexanoate: terminal oh of peg-3 myristyl ether esterified with branched c8 ethylhexanoate; reduced surfactant character; added non-greasy emolliency.

Last Verified: 2026-03-28

Primary Sources: Cosing database,inci dictionary