Medik8 Crystal Retinal 20 30ml

'High-performance retinal for those seeking dramatic improvements. It tackles advanced signs of ageing, refining tone and firmness with professional-level strength.' - Ekin Guney, MSc, Molecular Biology & Genetics, Member of Dermoi Scientific Advisory Board – Product Verification

Scientific Background:

• Kim J, J Cosmet Dermatol., 2021 — MLV-retinaldehyde 0.05/0.1% improved photoaged skin; acceptable tolerability.
  https://onlinelibrary.wiley.com/doi/10.1111/jocd.13993
  Kwon HS, J Cosmet Dermatol., 2018 — RCT: 0.05% vs 0.1% retinaldehyde both effective/tolerated; 0.1% also improved melanin index.
  https://pubmed.ncbi.nlm.nih.gov/29663701/
  (Full text) https://onlinelibrary.wiley.com/doi/10.1111/jocd.12551
• Hyaluronic Acid (sodium hyaluronate) — improves hydration/elasticity; LMW HA reduces wrinkle depth (human).
  Pavičić T, J Drugs Dermatol., 2011 — 0.1% HA creams improved hydration/elasticity; LMW HA reduced wrinkles.
  https://pubmed.ncbi.nlm.nih.gov/22052267/
• Vitamin E — The classic C+E+ferulic photoprotection study used L-ascorbic acid with α-tocopherol (free vitamin E)
• Lin FH et al., J Invest Dermatol. 2005 — https://pubmed.ncbi.nlm.nih.gov/16249491/
• Glycerin — humectant; increases SC water and supports barrier repair.
  Fluhr JW, Skin Pharmacol Physiol., 2008 — “Glycerol and the skin”: hydration/elasticity/barrier mechanisms.
  https://pubmed.ncbi.nlm.nih.gov/18510666/

For inquiries about Crystal Retinal 20, please reach out to Dermoi's Skin Scientists at [email protected] or call (0)20 3963 9930 between 11am and 4pm Monday-Friday. Our experts are ready to provide comprehensive assistance and guidance tailored to your skincare needs.

Medik8 leads in science-based skincare innovation, expertly combining powerful ingredients with advanced formulations for dermatologist-endorsed, enduring results.

Originating on London’s prestigious Harley Street, Medik8 emphasizes its CSA philosophy—Vitamin C and SPF by day, Vitamin A by night—effectively tackling up to 90% of visible aging.

Crafted in an ISO-certified UK facility and certified as a B Corp, Medik8 prioritizes both efficacy and sustainable practices.

Dermoi, as an authorized UK stockist, proudly offers Medik8's highly trusted, high-performance skincare range.

How to Use Medik8 Crystal Retinal 20

Step 1
After cleansing in the evening, apply 2 pumps of Crystal Retinal 20 to the face and neck. Allow to absorb then follow with a moisturiser.

Step 2
For new users of Crystal Retinal 20, 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.

We recommend using at least 1 tube of your current Medik8 Crystal Retinal 20 strength before moving up the ladder to the next strength.

Crystal Retinal 20 Q&A

What is Medik8 Crystal Retinal 20?

Medik8 Crystal Retinal 20 is a high-strength, advanced night serum designed with potent retinaldehyde to visibly reduce wrinkles, fine lines, and uneven texture, delivering fast anti-aging results.

What are the key benefits of Medik8 Crystal Retinal 20?

Key benefits include accelerated wrinkle reduction, enhanced firmness, improved skin texture, and a boost in radiance, all while maintaining gentle, irritation-free use.

How much retinal is in Crystal Retinal 20?

Crystal Retinal 20 contains 0.2% retinaldehyde, Medik8's most potent concentration for experienced vitamin A users.

Are there any Medik8 Crystal Retinal 20 before-and-after pictures?

Yes, you can view before-and-after results at our store, dermoi.com.

How do I use Medik8 Crystal Retinal?

Use in the evening after cleansing. Begin with two to three times a week, gradually increasing frequency as skin adjusts. Always follow with a moisturizer.

 Is Crystal Retinal 20 the strongest?

No, Crystal Retinal 20 isn't Medik8’s highest strength. There is a step up with Crystal Retinal 24, designed for the most advanced users.

Medik8 Crystal Retinal 20 Ingredients

Retinaldehyde: Potent form of vitamin A that rapidly smooths wrinkles, enhances texture, and firms without causing irritation.
Hyaluronic Acid: Intensely hydrates by drawing in moisture, resulting in plump, soft, and supple skin.
Vitamin E: Strong antioxidant that effectively defends against free radicals and visible signs of aging.
Glycerin: Naturally attracts moisture, locking it into the skin to maintain lasting hydration and comfort.

Crystal Retinal 20 Full Ingredients

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.

Clinically-Proven Formula, Dermatologist Recommended, No Artificial Fragrance, No Synthetic Colours, Paraben Free, Alcohol Free, Certified By The Vegan Society