Hydra B5 Intense Serum: A supercharged upgrade of Medik8’s cult-favourite hyaluronic acid serum Hydr8 B5. Hydr8 B5 Intense is the key to elevating skin moisturization, the ideal choice to infuse hydration into a daily skincare regime. A crystal-clear, liquid moisturizing serum that harnesses the hydrating powers of multi-weight hyaluronic acid to replenish the skin’s surface with moisture. Supercharged with a triple-action booster complex, featuring purple superfood antioxidants, the serum helps to support the skin's natural hyaluronic acid levels. Joined by vitamin B5, the fast-absorbing, non-sticky formula works to provide skin with optimum hydration and a feeling of total nourishment. Hydr8 B5 Intense also includes Natural Moisturizing Factors (NMF) to ensure skin hydration is long-lasting, enhancing the benefits of this silky serum. Hydr8 B5 Intense leaves skin feeling intensely hydrated, with fine lines visibly plumped and smoothed. Crystal Retinol 6: Discover a younger-looking complexion with Crystal Retinal 6. Featuring retinaldehyde (retinal), a next-generation form of vitamin A which is not to be mistaken for the classic form of vitamin A, retinol. In numerous studies, retinal has been demonstrated to be more effective and 11x faster-working than retinol, without any additional irritation. [1, 2, 3] The hydrating overnight serum-cream visibly addresses signs of aging; improving the appearance of wrinkles, texture and tone. Potency and optimum power is ensured through a double-layered stabilisation system, which includes a crystal encapsulation that releases vitamin A gradually throughout the night, to protect the skin from becoming overwhelmed at any point. Hyaluronic acid and glycerin also feature to moisturize and hydrate skin, minimizing any dryness. The complexion is left visibly smooth and supple. Crystal Retinal is available in a series of progessive strengths. Crystal Retinal 6 (0. 06% retinal) is recommended for those who have comfortably used Crystal Retinal 3, or those with experience of high strength retinol products. Medik8 recommend a simple, effective skincare strategy of using vitamin C and sunscreen in the morning and vitamin A at night. This strategy is called: CSA. [1] J. Fluhr, Tolerance profile of retinol, retinaldehyde and retinoic acid under maximized and long-term clinical conditions, Dermatology, 1999, 199(Suppl 1), pp 57-60. [2] Creidi P et al, Profilometric evaluation of photodamage after topical retinaldehyde and retinoic acid treatment, J Am Acad Dermatol, 1998, 39(6), pp 960-965 [3] G Siegenthaler et al, Retinol and retinal metabolism. Relationship to the state of differentiation of cultured human keratinocytes, Biochem J, 1990, 268(2), pp 371–378 | Medik8 Crystal Retinal - Advanced Regimen | Dermstore