Common Name(s): Piscum iecur oil,marine fish liver hydrogenated marine liver oil (vitamin a/d source) ester

DESCRIPTION

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

Why It's Used: Used for its historical vitamin a/d emollient; largely replaced by plant alternatives and synthetic vitamins emollient properties; suitable for lightweight skin care where non-greasy texture is key.

How It Works: Ester of marine fish liver (branched or specialty alcohol) with hydrogenated marine liver oil (vitamin a/d source); 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: No - animal-derived

Halal Status: Conditional - species declaration required

Source Notes: Marine fish liver and hydrogenated marine liver oil (vitamin a/d source); plant or synthetic origin. [audit 2026-07-29 rev2: marine animal origin; permissibility varies by madhhab and species is undeclared. determination requires shariah-panel sign-off.]

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

Fish liver oil; traditional source of vitamins a and d plus omega-3 fatty acids; declining use in favor of plant-derived alternatives; verify sustainability sourcing if used.

Last Verified: 2026-03-28

Primary Sources: Cosing database,inci dictionary