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Crystal Retinal 3

Medik8 Crystal Retinal 3 30ml

%0 4.71 | 3846 reviews
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£50.00 (£1.67 per ml)

Free UK delivery

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Product Description

Reveal visibly firmer, brighter-looking skin with just 1 tube of Crystal Retinal.

Medik8's bestselling vitamin A night serum is formulated with next-generation retinaldehyde (retinal) which is clinically proven to act 11x faster than retinol* for a visibly brighter, smoother and firmer-looking complexion.

Unlike other retinal serums available, Crystal Retinal features Medik8's unique patented stability system to ensure maximum retinal potency, while their industry-leading encapsulation technology delivers powerful yet gentle results with minimal irritation, even on sensitive skin types.

Loved and recommended by dermatologists and professionals all over the world, Crystal Retinal features a unique ladder of 5 progressive strengths (0.01%-0.2% retinal) so that you can continue to experience increased visible youth-renewing results. If you're a vitamin A beginner, Medik8 recommends that most people start on Crystal Retinal 3 (0.03%), or Crystal Retinal 1 if you have very sensitive skin (0.01%). If you're an experienced vitamin A user, start with Crystal Retinal 6 (0.06%) and gradually work your way up to Crystal Retinal 20 (0.2%). To use Crystal Retinal 20, you must have comfortably finished at least 2 tubes of Crystal Retinal 10 due to it containing a high percentage of retinal.

Working to reduce the appearance of stubborn fine lines and wrinkles and dark spots, Crystal Retinal is the ultimate age-defying serum for a healthier, more youthful-looking complexion.

*G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378

KEY BENEFITS
Fast Wrinkle Reducing Power
Clinically proven to visibly reduce wrinkles & dark spots by 20% with just 1 tube*

*Proven via independent clinical study on Crystal Retinal 6. Tested on 33 participants over 12 weeks.

Professional-Grade Results
Retinaldehyde is proven to work up to 11 times faster than classic retinol* - so you can see results sooner

*G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378

Radiant, Youthful Skin
97% felt their skin had a more youthful appearance*

*Proven via independent clinical study on 1 tube of Crystal Retinal 6. Tested on 33 participants over 12 weeks.

Effective Results Until the Last Drop
Thanks to Medik8's patented stability complex

Customise Your Routine With 5 Progressive Strengths
A retinal strength for beginners to expert users - even on sensitive skin

KEY INGREDIENTS
Retinaldehyde
Retinaldehyde (retinal for short) is a revolutionary form of vitamin A that is clinically proven to work 11x faster than traditional retinol* to address the appearance of fine lines and wrinkles, uneven skin texture, loss of firmness and hyperpigmentation without any irritation.
*G. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378

Hyaluronic Acid
An incredibly hydrating ingredient, hyaluronic acid attracts and retains more than 1,000 times its own weight in water and draws moisture in the upper layers of the skin; leaving it looking visibly supple and deeply hydrated.

Vitamin E
Rich in antioxidants, vitamin E helps to protect the skin against ageing free radicals, while helping to stabilise retinal for maximum results.

Glycerin
A natural humectant that locks moisture into the skin; leaving it feeling comfortable and hydrated.

HOW TO USE
Step 1
After cleansing in the evening, apply 2 pumps of Crystal Retinal to the face and neck. Allow to absorb then follow with a moisturiser. We recommend Advanced Night Restore which is specifically designed to be used after vitamin A.

Step 2
For new users of Crystal Retinal, phase application in gradually. Use twice a week for the first 2 weeks, every other night for the next 2 weeks, then every night. You should always use a sunscreen the next morning after using vitamin A.

How to Layer Crystal Retinal
PM: In your evening routine, first cleanse and apply your target serum. Follow with Crystal

Directions

Step 1
After cleansing in the evening, apply 2 pumps of Crystal Retinal to the face and neck. Allow to absorb then follow with a moisturiser. We recommend Advanced Night Restore which is specifically designed to be used after vitamin A.

Step 2
For new users of Crystal Retinal, phase application in gradually. Use twice a week for the first 2 weeks, every other night for the next 2 weeks, then every night. You should always use a sunscreen the next morning after using vitamin A.

How to Layer Crystal Retinal
PM: In your evening routine, first cleanse and apply your target serum. Follow with Crystal Retinal and finally, your moisturiser.

Test results

97% felt their skin had a more youthful appearance*
20% reduction in the appearance of wrinkles*
20% reduction in visible hyperpigmentation*
11% increase in skin firmness*
100% felt Crystal Retinal was gentle on their skin*

*Proven via independent clinical study on 1 tube of Crystal Retinal 6. Tested on 33 participants over 12 weeks.

More information

*Product packaging may vary by region\n

Ingredients

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

This list of ingredients may be subject to change, please consult the packaging of the product purchased.

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Rated 5 out of 5 by from So far so good [This review was collected as part of a promotion.] New to retinal, Have only been using for a few months and skin feels slightly smoother & softer, but no real improvement in wrinkles and lines yet but as it’s early days there’s still time to see if it reduces signs of aging over time, as I’m 65 plus i can’t expect miracles. Hoping to move up to next level of retinal which I’m sure with time i will see an improvement so i am hopeful. I do like the products & will continue to use for the foreseeable future as it is the best i have used.
Date published: 2026-09-18
Rated 5 out of 5 by from So effective [This review was collected as part of a promotion.] I’m on my third tube (worked up to max strength) and this product is just so effective. My skin is noticeably smoother, clearer, brighter, and make up goes on so much better. A tube lasts long enough to make it worth the money.
Date published: 2026-09-17
Rated 5 out of 5 by from Anti aging necessity [This review was collected as part of a promotion.] Really happy with this product! It completely met my expectations for my anti-aging routine. I was looking for something to round out my evening skincare that delivers strong antioxidant protection, brightens and evens out skin tone, and keeps my barrier deeply moisturized. It fits seamlessly into my night routine and leaves my skin looking refreshed and balanced
Date published: 2026-09-16
Rated 5 out of 5 by from Crystal Retinol 24 [This review was collected as part of a promotion.] I have been using Medik8 products for a few years now and have worked my way up to Crystal Retinal 24. My skin looks smooth and a friend said last week I must be taking collagen tablets as my skin looked so good. I am 73. I love Medik8 products except the colour of Crystal Retinol. I find the orange makes my skin look slightly yellow and the colour does strain my duvet at night. It can also stain my clothes around the neck area when I am putting them on or taking them off. I do rub it in sufficiently and follow with the advanced night cream which is thick, creamy and gorgeous. Am I putting too much on? Your advice would be appreciated.
Date published: 2026-09-16
Rated 4 out of 5 by from Brilliant product BUT The dispense is terrible. Half the serum gets stuck inside after the pump has given up Please put it in a tube
Date published: 2026-09-15
Rated 5 out of 5 by from Really stops the wrinkles [This review was collected as part of a promotion.] I use this serum pm along with the collagen and peptides cream. Definitely the best anti ageing regime I have ever used. Disadvantage is very expensive for such a small tube also the pump dispenser sometimes does not work properly. I have had that problem before with other pump dispensers ie the eye peptide gel.
Date published: 2026-09-14
Rated 5 out of 5 by from Fabulous night cream As usual an excellent cream from Medik8 which I use at night along with a hydrating lotion.
Date published: 2026-09-13
Rated 5 out of 5 by from Crystal Retinal 3 [This review was collected as part of a promotion.] I’ve recently started my retinal journey and decided to begin with Crystal Retinal 3, as it’s a great strength for beginners. I’ve been using it every evening for about a month now, and I’m really enjoying it so far. It feels lovely on my skin and, thankfully, I haven’t experienced any irritation, redness, or dryness. I’m really looking forward to seeing my first results and can’t wait to see how my skin improves with continued use!
Date published: 2026-09-13
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