Madeca Teca-Retinolsom 0.2 Firming Serum is a pharmaceutical-grade nighttime firming serum powered by TECA-Retinolsom™ — a proprietary encapsulated complex of five retinoids (Retinol 0.2%, Retinal, Retinyl Palmitate, Hydroxypinacolone Retinoate) and Bakuchiol — alongside NMN, Vegan PDRN, and a 5-Ceramide Complex to visibly firm, lift, smooth, and tighten pores with minimized irritation, suitable for all skin types including sensitive skin concerned with wrinkles, loss of elasticity, and enlarged pores.