Squalane
Also known as: Hydrogenated Squalene
Key Takeaways
- Squalane is a stable, plant-derived oil that mirrors the skin's natural sebum, making it highly biocompatible and well-tolerated by all skin types
- It restores the lipid barrier, reduces moisture loss, and leaves skin soft without a greasy finish
- Non-comedogenic and compatible with virtually every other skincare ingredient
- Works especially well layered with retinol, vitamin C, and hyaluronic acid
A stable, plant-derived hydrocarbon that closely mimics the skin's own natural sebum. Lightweight yet deeply nourishing, squalane replenishes lost lipids, repairs the skin barrier, and works seamlessly with virtually every other skincare ingredient.
Skin Type Compatibility
Skin Tone Notes
Universally compatible. No melanin interaction means no risk of pigmentation changes across any Fitzpatrick type.
What It Does
Squalane is a saturated, stable form of squalene — a lipid naturally produced by human sebaceous glands. It integrates into the skin's lipid matrix to restore suppleness and seal in moisture without clogging pores. Because it mirrors the skin's own oils, it is recognized as non-foreign and absorbed efficiently. It also forms a lightweight protective film on the skin surface that reduces transepidermal water loss.
Concerns Addressed
How To Use
Apply 2-3 drops to face after water-based serums and before sunscreen in the AM, or as the final step in your PM routine. Can also be mixed into moisturizer for added emollience. Works well as a carrier for retinol to dilute and buffer potential irritation.
Pairs Well With
Retinol
The gold standard anti-aging ingredient. Retinol is a vitamin A derivative that accelerates cell turnover, stimulates collagen synthesis, and treats acne, hyperpigmentation, and fine lines. Decades of clinical research back its efficacy.
Vitamin C
The gold standard brightening and antioxidant ingredient. L-Ascorbic Acid, the most bioavailable form of vitamin C, neutralizes free radicals, inhibits melanin production, and stimulates collagen synthesis. Particularly effective when used in the morning to reinforce sunscreen against UV and environmental damage.
Hyaluronic Acid
A naturally occurring polysaccharide that can hold up to 1000 times its weight in water. Hyaluronic acid is one of the most effective and universally tolerated hydrating ingredients in skincare, working for every skin type and pairing seamlessly with virtually all actives.
Side Effects
Squalane has an exceptionally low risk of adverse reactions. It is non-comedogenic and suitable for even the most reactive skin. No significant side effects have been reported in clinical or consumer studies.
Key Studies
Topical squalane significantly improved skin smoothness, elasticity, and transepidermal water loss after four weeks of twice-daily application.
Squalane restored lipid barrier integrity in subjects with compromised skin function, demonstrating efficacy comparable to other pharmaceutical-grade emollients.
What Is Squalane?
Squalane is a hydrogenated derivative of squalene, a lipid that makes up roughly 13% of human sebum. While squalene is naturally present in young skin, production drops significantly with age, contributing to dryness and a weakened barrier. Squalane is the stabilized form used in skincare — typically derived from sugarcane or olive oil — that delivers the same barrier-restoring benefits without oxidizing on the shelf or on the skin.
How Does Squalane Work?
Squalane works by integrating directly into the skin’s existing lipid matrix. Because its molecular structure closely mirrors the skin’s own oils, it is absorbed readily and recognized as non-foreign. It fills in gaps in the lipid barrier, reducing transepidermal water loss and leaving the skin surface soft and supple. Unlike heavier oils, squalane has a dry-finish texture that absorbs quickly without leaving a greasy residue.
Who Should Use Squalane?
Squalane is one of the few truly universal skincare ingredients. Its non-comedogenic, non-irritating profile makes it appropriate for oily, dry, sensitive, combination, and normal skin. It is particularly valuable for anyone with a compromised barrier, those using strong actives like retinol or exfoliating acids, and anyone whose skin feels tight, rough, or depleted.
Frequently Asked Questions
Is squalane the same as squalene?
No. Squalene is the naturally occurring lipid found in skin sebum, but it is unstable and oxidizes quickly. Squalane is the hydrogenated, stable form used in skincare products. It provides the same benefits without the shelf-life and oxidation issues of squalene.
Will squalane clog my pores?
No. Squalane is considered non-comedogenic. Its molecular structure is similar to the skin's own lipids, meaning it is absorbed readily and does not sit on the surface in a way that blocks pores. Many people with oily or acne-prone skin use it without issue.
Where does squalane come from?
Most squalane today is derived from sugarcane or olive oil, making it a sustainable, plant-based ingredient. Earlier versions were sourced from shark liver oil, but that practice has largely been replaced by plant-derived alternatives. Look for labels that specify plant-derived or sugarcane squalane.