Medik8 Crystal Retinal 6 30ml

'A mid-strength retinal serum designed for visible rejuvenation. It targets wrinkles and uneven tone, leaving skin firmer, smoother, and more radiant.' - 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 6, 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-backed skincare, combining powerful actives with innovative formulations. Originating on London’s Harley Street, Medik8’s dermatologist-recommended products deliver lasting, visible results.

Their CSA Philosophy—Vitamin C and SPF by day, Vitamin A by night—targets 90% of visible aging. Crafted in an ISO-certified UK lab and as a certified B Corp, Medik8 emphasizes both efficacy and sustainability.

Dermoi proudly offers Medik8’s trusted, high-performance skincare.

Medik8 Crystal Retinal 6 30ml How to Use

Step 1
After cleansing in the evening, apply 2 pumps of Crystal Retinal 6 to the face and neck. Allow to absorb then follow with a moisturiser.

Step 2
For new users of Crystal Retinal 6, 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 6 strength before moving up the ladder to the next strength.

Caution: Not recommended during pregnancy or breastfeeding.

Crystal Retinal 6 Q&A

What is Medik8 Crystal Retinal 6?

It is an advanced night serum formulated with 0.06% retinaldehyde, a potent form of vitamin A. It targets fine lines, wrinkles, and uneven skin tone, promoting a smoother, more youthful complexion.

What are the key benefits?

Key benefits include accelerated wrinkle reduction, enhanced skin brightness, improved firmness, and a refined texture, all achieved with minimal irritation.

What is the difference between Crystal Retinal 6 and standard retinol serum?

Crystal Retinal 6 contains retinaldehyde, which is clinically proven to act up to 11 times faster than standard retinol, delivering quicker and more noticeable results.

Can I start immediately with Retinal 6, or should I begin with 1 or 3?

If you're new to vitamin A, it's advisable to start with Crystal Retinal 1 or 3 to allow your skin to build tolerance before progressing to higher strengths like 6.

Can I use a moisturizer after applying Medik8 Crystal Retinal 6?

Yes, applying a moisturizer is recommended to lock in hydration and enhance the serum's benefits.

Are there any before-and-after images?

Yes, before-and-after images are available on our store dermoi.com.

How does 3 compare to 6?

Crystal Retinal 3 contains 0.03% retinaldehyde, making it suitable for beginners. Crystal Retinal 6 has a higher concentration of 0.06%, offering more potent results for those with established vitamin A tolerance.

Key Ingredients

Retinaldehyde: Fast-acting vitamin A derivative targets wrinkles, texture, and firmness without irritation.

Hyaluronic Acid: Deeply hydrates by attracting moisture, leaving skin visibly plump and supple.

Vitamin E: Powerful antioxidant that combats aging effects of free radicals effectively.

Glycerin: Natural humectant locks in moisture, keeping skin hydrated and comfortable.

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