This Algenist Elevate Advanced Retinol Serum is a renewal serum with glycolic acid and glycerin. It comes in a 0.5 ml size and is suitable for all skin types. The serum is designed for firming the neck and face, with a 1-Star UVA protection rating and SPF 0. It is part of the Algenist product line and is cruelty-free. The serum is a day and night treatment made in the United States.