Clinique Smart Night Clinical MD Multi-Dimensional Repair Treatment Retinol Serum With a powerful dose of 0.3 percent retinol in the formula, the Clinique Smart Night Clinical MD Multi-Dimensional Repair Treatment Retinol Serum (£56) helps fight early signs of ageing like wrinkles, fine lines, and uneven texture overnight. To make the active ingredients more manageable, it also contains hyaluronic acid, mango seed butter, and squalene for hydration. Image Source: boots.com Clinique Smart Night Clinical MD Multi-Dimensional Repair Treatment Retinol £56 from boots.com Buy Now