When (and how) to use Squalane + Phyto-Retinol Serum by Biossance

When (and how) to use Squalane + Phyto-Retinol Serum by Biossance See exactly how you should incorporate Biossance Squalane + Phyto-Retinol Serum into your routine. Last updated on June 03, 2025. Welcome to our guide on when (and how) to use Biossance Squalane + Phyto-Retinol Serum. We recommend using this product in the evening. In fact, 82% of routines created by our community use it in the evening. 82% of routines created by our community use this product every day. This product is most commonly used as step 6 in a routine. Use our Routine Creator to see where you should use this product in your routine. 38 routines created by our community use this product. We independently verify product and ingredient data. Spot something that seems off? Let us know. Here are some of the products that our community often uses together with Squalane + Phyto-Retinol Serum. Check out our complete guide to the ingredients in Biossance Squalane + Phyto-Retinol Serum. Track your products and build your routine with SkinSort.