The ingredient, explained

Squalane

Direct squalane evidence selected here is laboratory research.

EmollientOcclusiveHair conditioningRefattingSkin conditioning

Ingredient guide

What it is and what it does

Squalane has recorded emollient and skin-conditioning roles. It is used to help soften the skin surface and replenish surface lipids.

About this ingredient: CosIng identity and functions via Open Beauty Facts ↗ · European Commission ingredient function definitions ↗

Emollient: Helps soften and smooth the skin surface.
Occlusive: A surface-covering role that can reduce water loss through the skin. The amount of occlusion depends on the material and the formula.
Hair conditioning: Improves cosmetic hair properties such as softness, shine or combability.
Refatting: Replenishes lipids on hair or the outer skin layers.
Skin conditioning: A broad cosmetic role for maintaining skin condition. It does not identify a particular clinical benefit.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗ · PubMed: Measurement of oil and petrolatum occlusion ↗

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Laboratory research

Squalane reduced UVA-associated reactive oxygen species and altered cell-damage markers in this laboratory model.

What this does not tell us

Cultured cells do not demonstrate clinical photoprotection, wrinkle reduction or sunscreen performance in people.

Sources for this summary. PubMed 40722956 ↗

Research review checked Oct 1, 2026

Bounded review of supplied local candidates (23 candidate records), selective exact-name title/abstract screening, and targeted indexed primary-source searches. Not a systematic review or a claim of exhaustive coverage.