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 stabilization 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 progressive 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