RoC Retinol Correxion Deep Wrinkle Serum is an all-over face serum formulated with Patented Clinical Retinol to treat deep-set wrinkles. This Costco 2-pack includes two 1.7 fl oz bottles, providing 3.4 fl oz total. The light, silky formula is clinically proven to visibly smooth, firm, and reduce wrinkles on face and neck in just 4 weeks.

The serum features Clinical Retinol that is 7x more powerful than classic retinol, backed by 30+ years of expertise and 26 patents. An exclusive mineral complex with magnesium aspartate, zinc gluconate, and copper gluconate provides additional hydration and enhanced retinol efficacy. In clinical testing, 100% of participants had visibly more radiant, smoother-looking skin at 8 weeks, and 89% had visible reduction in deep wrinkles at 12 weeks.

Suitable for use year-round on all skin types. Apply to face and neck in the AM and/or PM after cleansing. New users should introduce retinol gradually, starting every other night and increasing frequency over time. Always apply SPF 30 or higher sunscreen in the morning while using this product. Dermatologist tested, non-comedogenic, and PETA-approved cruelty free.