Reveal youthful, radiant skin with just one tube of Medik8 Crystal Retinal 24, the UK's No.1 dermatological face serum. Powered by retinaldehyde, a next-generation form of vitamin A, Crystal Retinal works 11x faster than traditional retinol to deliver visibly smoother skin, reduce stubborn wrinkles, brighten dark spots, decongest pores, and firm your complexion – all without causing irritation.

Clinically proven to reduce wrinkles in as little as 12 weeks, Crystal Retinal offers professional-grade results with retinaldehyde, which delivers visible improvements in skin texture, brightness, firmness, and clarity. Medik8’s patented stability system ensures unmatched potency and effectiveness until the very last drop. Available in six progressive strengths, Crystal Retinal can be tailored to suit beginners, sensitive skin, and advanced users.

Note: You should be comfortably using Crystal Retinal 20™ every night for 3 months or completed 2 full tubes before moving up.

Who's it for?

Suitable for normal, oily, combination & mature skin types.

1. Use in the evening. First cleanse, then apply Crystal Retinal 24 over face and neck. 

2. Allow to absorb then follow with a Medik8 moisturiser. 

3. Product application should be phased in gradually. Use twice a week for the first 2 weeks, every other night for the next 2 weeks, then every night.

Tip: Apply a Medik8 sunscreen the following morning whilst using this product. 

Patch testing prior to use is advised. Do this by leaving a small amount of product on a clean area of your upper arm for 2 minutes. If no reaction occurs within the next 24 hours, you may proceed to use the product normally.

Medik8 is an award-winning global skincare brand that started the trend for results-based products.

The Medik8 foundations are deep-rooted in science - the products are specifically formulated to target skin ageing, acne, redness, pigmentation and dryness. This unique approach earns Medik8 recommendations from leading doctors, dermatologists, nurses and therapists around the world.

Please Note:  For an accurate listing of ingredients in each product, please refer to your product packaging prior to use. SkinShop also recommend all products are patch-tested 24 hours before application.