Medik8 Crystal Retinal 24 30ml

'The highest strength available in the range. For seasoned users, it provides maximum skin renewal benefits, improving wrinkles, elasticity, and radiance at the deepest level.' - 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 24, 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 is at the forefront of science-driven skincare, blending potent ingredients with advanced formulations for dermatologist-approved, long-lasting results.

Founded on London’s esteemed Harley Street, Medik8 champions its CSA approach—Vitamin C and SPF during the day, Vitamin A at night—targeting up to 90% of visible signs of aging.

Produced in an ISO-certified UK facility and as a certified B Corp, Medik8 is committed to both effective and environmentally sustainable practices.

Dermoi, as an authorized UK stockist, is proud to offer Medik8’s trusted, high-performance skincare solutions.

How to Use Medik8 Crystal Retinal 24

Step 1
After cleansing in the evening, apply 2 pumps of Crystal Retinal 24 to the face and neck. Allow to absorb then follow with a moisturiser.

Step 2
For new users of Crystal Retinal 24, 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.

Crystal Retinal 24 Q&A

What is Medik8 Crystal Retinal 24?

Medik8 Crystal Retinal 24 is a high-strength night serum formulated with retinaldehyde to deliver powerful anti-aging benefits, reducing wrinkles and fine lines while boosting firmness and radiance.

Is Medik8 Crystal Retinal 24 the strongest?

Yes, Crystal Retinal 24 is the highest and strongest grade in Medik8’s retinal series, designed for experienced vitamin A users seeking maximum anti-aging results.

What percentage of retinal is used in Crystal Retinal 24?

Crystal Retinal 24 contains a potent 0.3% retinaldehyde concentration, offering the highest retinal dose in the Medik8 range.

Are there any Crystal Retinal 24 reviews?

Yes, you can find reviews on our store, dermoi.com, from customers who’ve experienced its benefits firsthand.

Are there any Medik8 Crystal Retinal 24 before-and-after photos?

Yes, before-and-after photos are available on dermoi.com, showing the serum’s impact on skin texture and radiance.

Why is the price of Medik8 Crystal Retinal 24 so high?

The high cost reflects its advanced formulation, potent retinal concentration, and Medik8’s commitment to clinical-grade quality, ensuring fast, visible results for experienced users.

Medik8 Crystal Retinal 24 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 24 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