Medik8 Crystal Retinal 6
Medik8

Crystal Retinal 6

30ml · 4.7 (5400 reviews)

A stabilised retinaldehyde serum, a step up in strength from typical retinol.

Fragrance-free
Vegan
Cruelty-free
Normal / balanced
Combination
Oily
Dry lengths
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Compare prices

UK retailers we currently hold. Some links are affiliate links.

  • LF
    LookFantastic
    Best price

    Free UK delivery over £25 · £1.89/ml

    £56.64

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  • BO
    Boots

    Free UK delivery over £25 · £2.06/ml

    £61.95

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  • AZ
    Amazon UK

    Prime delivery available · £2.06/ml

    £61.95

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Prices are placeholder data and update automatically once retailer feeds are connected. Last checked 8/28/2026. Shop links are affiliate links.

What's doing the work

Key ingredients

Full INCI list

Aqua, Glycerin, Retinal, Hyaluronic Acid, Vitamin E, Glycosphingolipids

Ingredient lists are indicative and should be confirmed on pack. Live formulation data requires a retailer or brand feed integration.

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