Retinol 3 TR from Medik8 is an advanced night time Serum which uses a special time-release technology. This helps you get the anti-ageing benefits of pure retinol without the irritation and peeling that can be associated with regular retinol products. Retinol 3 TR is designed to conveniently apply directly to the face without mixing. In clinical trials Retinol has been shown to combat common skin-ageing issues such as facial fin lines and wrinkles, along with a loss of firmness by promoting Collagen and Hyaluronic acid production. Retinol which is a derivative of Vitamin which has been proven to improve skin texture and tone plus providing a pore-minimising effect. All leading to a more youthful looking skin. Retinol 3 TR is an optimized serum containing 0.3% encapsulated all-trans retinol in its purest and most active over-the counter form.