The Medik8 Crystal Retinal 1 Night Serum is a potent age-defying treatment designed for all skin types. With a focus on improving skin texture and reducing signs of aging, this serum contains hyaluronic acid as its active ingredient. Produced in the United Kingdom by the trusted brand Medik8, this 30ml bottle of serum is UVA compliant and animal cruelty-free. Perfect for a night-time treatment, this serum is formulated to be effective and gentle on the face, making it a valuable addition to any skincare routine.