Medik8 Crystal Retinal 3 30ml
Medik8 Crystal Retinal 3 30 ml is a gentle yet effective vitamin A night serum designed to smooth refine and brighten the complexion.
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Apply in the evening to cleansed dry skin.
Smooth a small amount across the face avoiding the eye area.
Follow with your chosen moisturiser.
Introduce gradually. Use twice weekly for two weeks then every other night for two weeks then nightly as tolerated.
Always apply SPF the next morning when using vitamin A.
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, Eclipta Prostrata Extract, Cyclodextrin, Squalane, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Phenoxyethanol, Melia Azadirachta Leaf Extract, Hydroxypropyl Methylcellulose, Sodium Hyaluronate, Tetrahexyldecyl Ascorbate, Rubus Chamaemorus (Cloudberry) Seed Oil, Alumina, Isostearic Acid, Lecithin, Polyglyceryl-3 Polyricinoleate, Polyhydroxystearic Acid, Stearic Acid, Pentylene Glycol, Retinal, Moringa Oleifera Seed Oil, Sodium Polyaspartate, Climbazole, Disodium EDTA, Lonicera Japonica (Honeysuckle) Flower Extract, Lonicera Caprifolium (Honeysuckle) Flower Extract, Daucus Carota Sativa (Carrot) Seed Oil, Ethylhexylglycerin, 3-O-Ethyl Ascorbic Acid, Dipteryx Odorata (Tonka) Bean Extract, Hydroxyacetophenone, Polysorbate 60, Sorbitan Isostearate, Vanilla Planifolia (Vanilla) Fruit Extract, Decylene Glycol, 1,2-Hexanediol, BHT, Coumarin.
The benefits of NAD+

Beginner-to-intermediate strength vitamin A
Encapsulated retinaldehyde works up to eleven times faster than traditional retinol
Helps reduce fine lines and refine texture
Brightens dull uneven skin
Hydrating base helps maintain comfort
Ideal for new or progressing vitamin A users


Made to fit your everyday
Simple to use and easy to love. Slot it into your morning or evening routine and let it get to work.
The science of NAD+
Medik8 Crystal Retinal 3 30 ml is a gentle yet effective vitamin A night serum designed to smooth refine and brighten the complexion. Formulated with stabilised encapsulated retinaldehyde it works up to eleven times faster than traditional retinol while remaining suitable for beginners or sensitive skin. The creamy lightweight texture absorbs quickly providing visible improvements in fine lines texture and clarity with minimal irritation.
Crystal Retinal 3 is a beginner-to-intermediate strength vitamin A treatment created to support smoother firmer and more radiant skin. Using stabilised encapsulated retinaldehyde the serum accelerates cell renewal softens fine lines improves uneven texture and enhances overall clarity. This level is ideal for those starting their vitamin A journey or stepping up from Crystal Retinal 1.
The hydrating formula ensures comfort and nourishment throughout use making it suitable for nightly application as part of a progressive vitamin A routine.


Considered, quality formulation
Carefully formulated and curated by theskinbay for real, visible results.
How to use
Apply in the evening to cleansed dry skin.
Smooth a small amount across the face avoiding the eye area.
Follow with your chosen moisturiser.
Introduce gradually. Use twice weekly for two weeks then every other night for two weeks then nightly as tolerated.
Always apply SPF the next morning when using vitamin A.

Every product we stock is one I would happily use myself. Curated skincare, honest advice, and results you can feel.

Vitamin A drives cellular renewal overnight while the moisturiser supports your barrier and minimises irritation - a clinically recommended pairing.
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Yes. Everything we sell is 100% genuine, sourced from the brand or authorised UK suppliers.
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Orders are dispatched quickly and tracked across the UK. See our delivery page for full timings.
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Unopened items can be returned within our standard returns window. See our returns page for details.
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