r-Retinoate Day & Night is Medik8's most remarkable vitamin that can be used both day and night for faster, visible brightening and smoothing results Powered by Medik8's exclusive encapsulated retinyl retinoate, which has been clinically proven to be 8x more powerful than standard retinol* in delivering visible age-defying results. This luxurious multi-step, all-in-one serum combines retinyl retinoate with hyaluronic acid and stabilised vitamin C for maximum visible improvement in the skin's texture, tone and radiance. Combining groundbreaking science with an uplifting sensorial experience, r-Retinoate Day & Night is suitable for the most sensitive skin types. *H. Kim et al., Synthesis and in vitro biological activity of retinyl retinoate, a novel hybrid retinoid derivative, Bioorganic & Medicinal Chemistry, 2008, 15;16(12), pp 6387-93 Key Benefits: Accelerated Age-Defying Results, Day & Night Uniquely photostable, retinyl retinoate doesn't lose its power in sunlight. Therefore, it del