Squalane
Squalane is a stable, non-comedogenic oil that mimics the skin's own natural lipids, sealing in whatever hydration went on underneath it. It's meant to go last — after every water-based serum, right before or instead of a moisturizer.
How to introduce it
7x
Starting / week
7x
Target / week
—
Ramp period
4w
Fair to judge by
Rules that don't bend
- Always the last step before sunscreen (AM) or the final step (PM).