Medik8 Crystal Retinal™ 3 Serum 30ml
Medik8 Crystal Retinal 3 is a vitamin A night serum with 0.03% retinaldehyde, the starting point in the Crystal Retinal range for people new to vitamin A skincare. Use in the evening; wear SPF during the day.
Description
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 converts to active vitamin A in just one step in the skin.¹ The 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 at Aesthetic Cellology.
Medik8 Crystal Retinal 3 Key Benefits
- Ideal Starter Level — 0.03% retinaldehyde for new vitamin A users.
- One-Step Vitamin A — 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 — 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 Crystal Retinal 6, 10 and beyond.
Key Ingredients
- Retinal (0.03% Retinaldehyde) — gentle starter-level vitamin A that converts to active vitamin A in one step.¹
- Cyclodextrin (Crystal Encapsulation) — encapsulation system that releases retinal gradually overnight.
- Sodium Hyaluronate — hyaluronic acid for overnight hydration and skin comfort.
- Squalane — nourishing emollient that helps keep skin comfortable 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.
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.
Available from Aesthetic Cellology. Authorised Medik8 stockists at 118 Baker Street, London W1U 6TT. Book a consultation to begin your personalised skincare routine.
Additional Information
Additional Information
| Weight | 0.063 kg |
|---|---|
| Dimensions | 20 × 15 × 8 cm |
| Product Type | Serum / Treatment |
| Skin Type | All Skin Types |
| Skin Concern | Ageing, Fine Lines |
| Key Ingredient | Retinaldehyde (Retinal) |
| Size | 30ml |
Delivery & Returns
Delivery & Returns
Delivery
- UK delivery only.
- £4.99 standard delivery, free on orders over £75. Delivery takes 1–4 business days.
- Orders placed before 2pm (UK time), Monday to Friday, are dispatched the same or next working day.
- You'll receive tracking details by email once your order ships.
Returns
- 14-day returns on unused, unopened items in their original packaging, with hygiene seals intact.
- Free returns. Email us and we'll send a prepaid label within 1 working day.
- Refunds are made to your original payment method within 14 days of us receiving the item.
- Faulty, damaged or incorrect item? Contact us within 48 hours with photos and we'll put it right. Your statutory rights are not affected.
Questions? Email info@aestheticcellology.co.uk or call 0208 054 6898.







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