Squalane

What it does

A stable, plant-derived version of squalene — a lipid the skin already makes. It softens and seals without the heaviness or the comedogenic reputation of heavier oils.

How to use it

Last step in the evening, or mixed into a moisturiser. Two to three drops is plenty.

Pairs well with

• Retinal A step up from retinol: faster conversion, visible texture change, more care needed. Read more
• Ceramides Rebuild the lipid layer that keeps moisture in and irritants out. Read more
• Niacinamide Brightens, regulates oil and helps even skin tone over four to six weeks. Read more