Address 90% of Skin Ageing Concerns*
It's as simple as CSA
We get it, skincare can feel very complicated. That’s why we’ve taken away the guesswork. We’ve done the research, we’ve got the evidence, and we’ve spent years perfecting the highest quality formulas for truly unmatched results.
Unlock the simple, clinically proven approach to youthful, glowing skin - both instantly and over time. It’s as easy as using vitamin C plus sunscreen in the morning and vitamin A (also known as retinol/retinal) at night. We call this; the CSA PhilosophyⓇ. At Medik8, we firmly believe every great skincare regime should start with these 3 fundamental formulas.
The CSA PhilosophyⓇ addresses 90% of anti-ageing skincare needs[1], and all it takes is 3 simple steps.
Discover the Transformative Results of the CSA PhilosophyⓇ
Our simple, 3-step regime has undergone an unprecedented long-term clinical trial, tracking both immediate and continuous changes in the complexion. Complexions are visibly smoother, brighter and healthier-looking, with the appearance of fine lines and wrinkles significantly reduced. See the before and after highlights below, with full trial results here.
96%
agreed their skin looked younger[1]
97%
agreed the CSA regime transformed their skin[1]
60%
clinical improvement on all signs of skin ageing[2]
Your perfect C + S + A Regime starts here
Discover your ready-made AM + PM regime, expertly curated.
When It Comes to our Formulas, Trust in the Experts
Leaders in Vitamin C
We only formulate with scientifically proven forms of vitamin C, which we expertly stabilise to ensure optimal brightening, collagen-supporting and antioxidant benefits.
Learn more about the benefits of vitamin C and a guide to our different formulations.
Sunscreen Specialists
Our next-generation sunscreens ensure powerful, all-encompassing protection against UV damage and premature ageing while remaining lightweight and non-greasy on the skin.
Want to know more about essential sunscreen application? Read our simple guide.
DISCOVER MORE
Experts in Vitamin A
Our cutting-edge vitamin A range offers a variety of retinol and retinal formulas in expertly stabilised strengths, to suit all skin types and needs while ensuring maximum youth-boosting results. This includes our market-leading retinal serums which are proven to act 11 times faster than traditional retinol[4] in delivering age-defying benefits.
Confused about vitamin A/retinoids? Here, we break down everything you need to know.
Customer Testimonials
WORTH THE HYPE
NOTICEABLE IMPROVEMENT IN WEEKS
ABSOLUTELY LOVE!
The Story Behind CSA
We believe in results-driven skincare rooted in proven science. By combining stabilized Vitamin C and broad-spectrum sunscreen by day with potent Vitamin A by night, we provide everything your skin needs for optimal health and youthfulness.
Daniel Isaacs, Director of Research
[1] Proven via independent study on a Medik8 CSA regime, on 30 participants over 12 months
[2] Based on average change in key indicators of skin ageing, in a clinical study on 63 participants using a CSA skincare regime over 12 months
[3] The '90% of anti-ageing skincare needs' CSA benefit refers to the primary biological and environmental factors of skin ageing - such as UV protection, collagen support, and antioxidant defence. The 10% CSA doesn't cover refers to cleansing and it's benefit of impurity prevention.
[4] G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378