Medik8 Crystal Retinol 1 is a gentle beginner-strength night serum designed to visibly smooth refine and rejuvenate the skin. Featuring stabilised encapsulated retinaldehyde it delivers results up to eleven times faster than traditional retinol while remaining suitable for first-time vitamin A users or sensitive skin. The lightweight creamy texture absorbs seamlessly to support collagen production...
Medik8

Medik8 Crystal Retinal 1 30ml

Medik8 Crystal Retinol 1 is a gentle beginner-strength night serum designed to visibly smooth refine and rejuvenate the skin.

Hyaluronic AcidRetinalRetinolVitamin CSqualane
£45.00

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How to use

Step 1 – After evening cleansing, apply 2 pumps to the face and neck. Allow to absorb, then follow with a moisturiser (try Medik8 Advanced Night Restore ).

Step 2 – For new users: Weeks 1–2: Use twice per week Weeks 3–4: Use every other night Week 5 onwards: Use nightly as tolerated Always follow with sunscreen the next morning.

Ingredients (INCI)

Aqua (Water), Caprylic/Capric Triglyceride, Glycerin, Isododecane, Cetearyl Olivate, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Cetearyl Alcohol, PPG-12/SMDI Copolymer, Sorbitan Olivate, Tocopheryl Acetate, Titanium Dioxide, Squalane, Eclipta Prostrata Extract, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Phenoxyethanol, Cyclodextrin, Hydroxypropyl Methylcellulose, Sodium Hyaluronate, Tetrahexyldecyl Ascorbate, Melia Azadirachta Leaf Extract, Alumina, Isostearic Acid, Lecithin, Polyglyceryl-3 Polyricinoleate, Disodium EDTA, Hydroxyacetophenone, Polyhydroxystearic Acid, Stearic Acid, Ethylhexylglycerin, 3-O-Ethyl Ascorbic Acid, Daucus Carota Sativa (Carrot) Seed Oil, Sodium Polyaspartate, Climbazole, Retinal, Dipteryx Odorata (Tonka) Bean Extract, Lonicera Japonica Flower (Honeysuckle) Extract, Lonicera Caprifolium (Honeysuckle) Flower Extract, Rubus Chamaemorus (Cloudberry) Seed Oil, Moringa Oleifera Seed Oil, Polysorbate 60, Sorbitan Isostearate, Pentylene Glycol, Vanilla Planifolia (Vanilla) Fruit Extract, Decylene Glycol, BHT, 1,2-Hexanediol, Coumarin.

100% genuineAuthorised UK stockist
Expert-curatedBy skincare specialists
Fast, tracked deliveryDispatched from the UK
Earn Bay PointsRewards on every order

The benefits of NAD+

The benefits

Reveal younger-looking skin with just 1 tube of Crystal Retinal.

[1] Crystal Retinal contains retinAL; a next-generation vitamin A which acts 11x faster than standard retinOL.

[2] And, unlike others, our patented retinal stability system ensures unmatched retinal potency and effectiveness until the very last drop.

It’s no wonder Crystal Retinal is the No.1 Retinal Serum Worldwide.

The science of NAD+

The science explained

Medik8 Crystal Retinol 1 is a gentle beginner-strength night serum designed to visibly smooth refine and rejuvenate the skin. Featuring stabilised encapsulated retinaldehyde it delivers results up to eleven times faster than traditional retinol while remaining suitable for first-time vitamin A users or sensitive skin. The lightweight creamy texture absorbs seamlessly to support collagen production reduce fine lines refine texture and boost clarity for a visibly brighter more even complexion.

A low-strength yet high-performance vitamin A serum ideal for those new to retinal skincare. Crystal Retinol 1 uses stabilised encapsulated retinaldehyde that works quickly and effectively while maintaining excellent skin comfort. It helps refine uneven texture reduce the appearance of fine lines support collagen and visibly brighten dull or tired skin.

With hydrating and soothing ingredients to balance potency this formula delivers noticeable radiance and clarity with minimal irritation making it the perfect entry point into Medik8’s progressive vitamin A ladder.

How to use

How to use it

Step 1 – After evening cleansing, apply 2 pumps to the face and neck. Allow to absorb, then follow with a moisturiser (try Medik8 Advanced Night Restore ).

Step 2 – For new users: Weeks 1–2: Use twice per week Weeks 3–4: Use every other night Week 5 onwards: Use nightly as tolerated Always follow with sunscreen the next morning.

Emmalee Fitton, founder of theskinbay
Founder's favourite
Every product we stock is one I would happily use myself. Curated skincare, honest advice, and results you can feel.
Emmalee x
Founder, theskinbay
Complete the ritual
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Buy them together£95.00

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Your questions answered

Your questions answered
Are your products genuine?

Yes. Everything we sell is 100% genuine, sourced from the brand or authorised UK suppliers.

How fast is delivery?

Orders are dispatched quickly and tracked across the UK. See our delivery page for full timings.

What is your returns policy?

Unopened items can be returned within our standard returns window. See our returns page for details.

Do you offer rewards?

Yes. Earn Bay Points on every order to redeem against future purchases.

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