Discover effortless radiance with ESPA’s nightly Tri-Active™ Regenerating Bio Retinol Sleeping Concentrate. Delivering visible results over time, the lightweight serum reduces the appearance of fine lines, dullness and discolouration. Powered by a trio of bio-retinols, the formula works while you sleep to refresh and renew the skin. Easily layered with your existing skincare routine, the pipette applicator offers fuss-free, precise use, melting into the complexion with comfortable, long-lasting hydration.