'I found a way get £22 off Medik8's brand new anti-ageing serum - it's one of the strongest on the market'

If you're a keen skincare enthusiast then you'll most likely be well aware of Medik8. The science-backed beauty brand loved by celebs and A-listers is known for its clinically-proven formulas and chic bottles that are a staple in many beauty routines.

Medik8's whole philosophy centres around the use of powerhouse active ingredients to create glowing, younger-looking skin. The brand is probably most known for its award-winning age-rewinding Crystal Retinal range that's perfect for those just dipping their toes into the world of vitamin A and beauty buffs well versed with the gold standard ingredient.

The Age-Defying Vitamin A Night Serum comes in a handful of different strengths, from sensitive to experienced, and the brand has released its latest version in the line-up. Medik8 has this week released its strongest serum in the range, the expert Crystal Retinal 24.

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Bringing the highest known non-prescription retinal to the market, Medik8's Crystal Retinal 24 proves the skincare brand continues to reign at the forefront of retinoid innovation. The night serum is formulated with 0.24% retinaldehyde which is clinically proven to act 11x faster than standard retinol to visibly smooth, brighten and firm skin.

The result? The most powerful age-defying results known on the market. The pinnacle of Medik8's unique Crystal Retinal ladder, Crystal Retinal 24 is for expert vitamin A users looking for the highest concentration of retinaldehyde.

Joining the existing line up of Crystal Retinal strengths (1, 3, 6, 10 and 20), expert users will