All Day Vitamin VC-IP 1.0 Firming Serum features VC-IP, a stabilized, non-oxidizing form of Vitamin C, and Bakuchiol, a gentle alternative to retinol. It aims to boost collagen production for firmer, brighter skin and reduced signs of aging. It leaves my skin slightly firmer and plump. Key ingredients include Ascrobyl Tetraisopalmitate, Alpha-Arbutin, Aronia Fruit Extract, Bakuchiol, and Ferulic Acid.