Squalane

INCI: Squalane
Also known as: Hydrogenated squalene, Olive squalane
EmollientsemollientbotanicalStrong evidencePregnancy safe
87
Skinlumis Rating
Comedogenic
1/5
Irritancy
0/5
Best applied
Both
Effective range
1%–100%
How It Works

A saturated, shelf-stable analogue of skin's own squalene. A featherlight emollient that mimics sebum without clogging pores.

Replenishes the sebaceous lipid layer; closes intercellular gaps in the stratum corneum to slow transepidermal water loss.

pH Range
5.0–7.0
Benefits
  • Smooths skin
  • Reduces TEWL
  • Non-comedogenic
  • Stable, oxidation-resistant
  • Universally tolerated
Proven For

What the evidence supports.

DrynessDehydrationSensitive barriers
Best For
  • All skin types
  • Acne-prone (well tolerated)
Avoid If

No notable contraindications reported.

Layering Order
7/10

Later treatment or moisturiser step.

Max Safe Concentration
100%

Concentration range in well-formulated products: 1%–100%

Seasonal Use

Year-round; ideal retinoid buffer.

Nutrition Connection

Olives, rice bran, amaranth are dietary squalene sources.

Skin Signals When You Need It
  • Dry, flaky surface
For Estheticians & Professionals

First emollient to recommend after retinoid initiation. Stable enough for face oils.

Clinical Evidence

The research behind Squalane.

3 peer-reviewed studies

Every claim on this page traces to published research. Findings below are drawn from randomized trials and systematic reviews, each links to the study on PubMed.

Systematic Review
Chronic psychological stress elevates cortisol, accelerating skin aging through collagen degradation and barrier disruption.
Chen Y, Lyga J
Inflammation and Allergy Drug Targets, 2014
View Study →
Randomized Controlled Trial
Nano-hyaluronic acid significantly improved skin hydration and elasticity after 8 weeks.
Jegasothy SM, Zabolotniaia V, Bielfeldt S
Journal of Clinical and Aesthetic Dermatology, 2014
View Study →
Randomized Controlled Trial
Ceramide-dominant emollients improved skin barrier function by 63% within 6 weeks.
Draelos ZD, Ertel K, Berge C
Cutis, 2006
View Study →
Conflicts With

No flagged conflicts. Still, patch-test new actives.

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