Biossance Squalane + Phyto-Retinol Serum 30mL Brand new in box. Never used. This serum has been discontinued by Biossance but is a crowd favorite. Get it while you can. Combining the clarifying and refining benefits of retinol and niacinamide, Biossance’s Squalane and Phyto-Retinol Serum promotes a rejuvenated complexion. Plant-derived bakuchiol offers a gentler alternative to retinol, working to reduce the appearance of fine lines and wrinkles, while promoting firmness. Thanks for viewing! Questions? Leave a comment below!