squalane
Squalane is a lightweight, skin-softening ingredient that helps reduce moisture loss and supports a smoother-looking skin surface. It’s an emollient (not a humectant like glycerin), meaning it helps soften skin and seal in hydration rather than pulling water into the skin.
This guide covers squalane benefits, how to use it in your skincare routine, what it pairs well with, and tips for oily, dry, and sensitive skin.
Quick Summary
What is Squalane?
Squalane is the stable, skin-friendly version of squalene, a lipid that naturally exists in human sebum (skin oil). In skincare, squalane is valued because it feels lightweight, spreads easily, and helps make skin feel softer and less tight.
Unlike humectants (like glycerin), squalane mainly works by reducing water loss and improving comfort. That’s why it’s often used in moisturizers, facial oils, and barrier-support formulas.
- INCI: Squalane
- Synonyms: Squalane
- CAS: 111-01-3
Benefits of Squalane for skin
Who is it suitable for?
Skin types
- Dry skin (comfort + reduced tightness)
- Oily / combination skin (lightweight barrier support)
- Sensitive skin (simple, low-irritant formulas often suit sensitive types)
- All skin types (depending on the full formula)
Skin concerns
- Dryness and flaking
- Dehydration (especially when layered over humectants)
- Barrier weakness (tight, easily irritated skin)
- Rough texture
How to use it correctly
Squalane can be found in creams and serums, or as a standalone facial oil. It works best as the “sealing” step in a routine—especially if you already use humectants like glycerin or hyaluronic acid.
- Typical use level: can appear anywhere from 1% to 100% depending on the product (a pure squalane oil is 100%).
- Frequency (AM/PM): AM and/or PM.
- Routine order: usually after water-based serums; before or after moisturizer depending on preference.
- Easy method: mix 1–2 drops into your moisturizer, or apply 1–3 drops on top to lock everything in.
- For oily skin: start with 1 drop and use mostly at night; adjust based on feel.
Compatibilities & combinations
Pairs well with: Hyaluronic acid and Glycerin (use those first, then squalane to seal), Ceramides (barrier support), and Niacinamide (texture + barrier).
Best to avoid combining with: no common “must-avoid” pairings. If you’re acne-prone, focus on lightweight formulas and avoid layering too many heavy products together.
Side effects & safety
Frequently Asked Questions
Is squalane suitable for oily skin?
Yes. Squalane is typically lightweight and often considered non-comedogenic, which is why many oily-skin routines can tolerate it. Start with 1 drop and increase only if your skin still feels dry or tight.
Alternatives to Squalane
- Jojoba oil: a lightweight oil with a skin-friendly feel.
- Argan oil: nourishing and softening, often richer than squalane.
- Caprylic/Capric Triglyceride: a common lightweight emollient used to soften and smooth.