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About Medik8
On a mission to simplify the route to great skin, UK scientists and brothers (Elliot & Daniel Isaacs) developed Medik8's clinically proven approach to unlock the secret to glowing, youthful-looking skin with the Medik8 C+A philosophy. This simple approach is as easy as vitamin C by day and vitamin A (retinoids) by night, which is clinically proven to address all signs of aging by 60%.*
*Following an unprecedented long-term clinical trial, 97% agreed the CSA regimen transformed their skin[2] while 96% agreed their skin looked younger.[2]
Discover the Medik8 Collections
Find targeted solutions for brighter, smoother, and more hydrated-looking skin with Medik8’s expertly developed skincare collections, designed to help you build a routine around your individual concerns.
Medik8 FAQs
What is Medik8 Crystal Retinal?
Medik8 Crystal Retinal is a Vitamin A night serum designed to visibly smooth the appearance of fine lines, uneven texture and dark spots. It is available in six progressive strengths, allowing you to build tolerance over time.
Which Medik8 Crystal Retinal strength should I start with?
Your ideal strength depends on your skin sensitivity and experience with Vitamin A. Crystal Retinal 1 is intended for sensitive skin, while Crystal Retinal 3 suits beginners. More advanced strengths are available for experienced Vitamin A users.
How should I use Medik8 Crystal Retinal?
Apply Crystal Retinal in the evening after cleansing, followed by moisturizer. If you are new to retinal, start twice weekly for two weeks, then use it every other night for two weeks before progressing to nightly application. Wear sunscreen the following morning.
Can I use Medik8 Crystal Retinal with Vitamin C?
Yes. Medik8 recommends using Vitamin C during your morning routine and Crystal Retinal in the evening as part of its Vitamin C plus Vitamin A approach.
Can I use Medik8 Liquid Peptides with Crystal Retinal?
Yes. Liquid Peptides can be used alongside Crystal Retinal. Apply Liquid Peptides after cleansing and before moisturizer, then use Crystal Retinal in your evening routine.
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