76% more potent than un-encapsulated retinol. The Retinol Ceramide Capsules Line Erase Night Serum from Elizabeth Arden is a targeted treatment that visibly diminishes lines and wrinkles, while improving skin texture and tone. Each biodegradable capsule is single use, and sealed tight for optimal freshness and potency. Suitable for all skin types. Clinically and dermatologist tested.