Medik8 Crystal Retinal™ 3 Serum (30 mL)

Description

Medik8 Crystal Retinal 3 is the entry-level retinaldehyde night serum at 0.03% — the ideal starting point for those new to vitamin A skincare. Retinaldehyde acts up to 11x faster than retinol, converting to active vitamin A in just one step in the skin.¹ The patented crystal encapsulation system releases retinal gradually throughout the night for effective results with minimal irritation risk.

Why Choose Medik8 Crystal Retinal 3

Crystal Retinal 3 is the recommended starting point for all new vitamin A users — delivering meaningful anti-ageing results while allowing the skin to adapt before progressing to Crystal Retinal 6 and beyond. Shop the full Medik8 Crystal Retinal range at Aesthetic Cellology.

Medik8 Crystal Retinal 3 Key Benefits

• Ideal Starter Strength — 0.03% retinaldehyde for new vitamin A users.
• 11x Faster Than Retinol — retinaldehyde converts to active vitamin A in one step.¹
• Reduces Fine Lines — visibly smooths wrinkles and improves skin texture over time.
• Crystal Encapsulation System — patented gradual release for gentle, controlled delivery.
• Hydrating Formula — hyaluronic acid and glycerin maintain skin comfort throughout.
• Progress Through the Range — build tolerance before moving to Strength 6, 10 and beyond.

Key Ingredients

• Retinal (0.03% Retinaldehyde) — gentle starter-strength vitamin A that acts up to 11x faster than retinol.¹
• Cyclodextrin (Crystal Encapsulation) — patented system that releases retinal gradually overnight.
• Sodium Hyaluronate — hyaluronic acid for overnight hydration and skin comfort.
• Squalane — nourishing emollient that helps prevent dryness during the retinaldehyde journey.
• Cloudberry Seed Oil — antioxidant-rich oil that supports and nourishes the skin.
• Tocopheryl Acetate (Vitamin E) — antioxidant that protects and supports the formula.

Free From

• Vegan Certified
• Paraben-Free
• Ideal for Vitamin A Beginners

How to Use

After cleansing each evening, apply Crystal Retinal 3 over face and neck. Avoid the eye area unless using Crystal Retinal Ceramide Eye. Always use SPF the following morning. Use every other night for the first two weeks then increase to nightly use.

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, Cyclodextrin, Squalane, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Hydroxyacetophenone, 3-O-Ethyl Ascorbic Acid, Hydroxypropyl Methylcellulose, Sodium Hyaluronate, Phenoxyethanol, Tetrahexyldecyl Ascorbate, Daucus Carota Sativa (Carrot) Seed Oil, Retinal, Rubus Chamaemorus Seed Oil, Alumina, Isostearic Acid, Lecithin, Polyglyceryl-3 Polyricinoleate, Lonicera Japonica (Honeysuckle) Flower Extract, Lonicera Caprifolium (Honeysuckle) Flower Extract, Polyhydroxystearic Acid, Stearic Acid, Sodium Polyaspartate, Pentylene Glycol, Citric Acid, Polysorbate 60, Disodium EDTA, Ethylhexylglycerin, BHT, Sorbitan Isostearate, Vanilla Planifolia Fruit Extract, Dipteryx Odorata Bean Extract, Coumarin, Red 4, Titanium Dioxide/CI 77891.

¹ Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371–378.

Available from Aesthetic Cellology. Authorised Medik8 stockists at 118 Baker Street, London W1U 6TT. Book a consultation to begin your personalised skincare routine.