Discover youthful skin with Medik8 Crystal Retinal, the one-of-a-kind, ground-breaking serum that reinvented vitamin A skincare. Available in a series of progressive strengths to accompany you on your journey to Beautiful Skin For Life. Crystal Retinal 20 should only be used by those who have comfortably finished at least 1 tube of Crystal Retinal 10, due to it containing a very high strength of retinaldehyde (0.2%).
Discover youthful skin with Medik8 Crystal Retinal, the one-of-a-kind, ground-breaking serum that reinvented vitamin A skincare. Available in a series of progressive strengths to accompany you on your journey to Beautiful Skin For Life. Crystal Retinal 20 should only be used by those who have comfortably finished at least 1 tube of Crystal Retinal 10, due to it containing a very high strength of retinaldehyde (0.2%).
Medik8 Crystal Retinal Firming Advanced Skin Retinaldehyde Face Serum Crystal Retinal 1
Discover youthful skin with Medik8 Crystal Retinal, the one-of-a-kind, ground-breaking serum that reinvented vitamin A skincare. Available in a series of progressive strengths to accompany you on your journey to Beautiful Skin For Life. Crystal Retinal 20 should only be used by those who have comfortably finished at least 1 tube of Crystal Retinal 10, due to it containing a very high strength of retinaldehyde (0.2%).
Discover youthful skin with Medik8 Crystal Retinal, the one-of-a-kind, ground-breaking serum that reinvented vitamin A skincare. Available in a series of progressive strengths to accompany you on your journey to Beautiful Skin For Life. Crystal Retinal 20 should only be used by those who have comfortably finished at least 1 tube of Crystal Retinal 10, due to it containing a very high strength of retinaldehyde (0.2%).
in 4 offers
The lowest price for Medik8 Crystal Retinal Firming Advanced Skin Retinaldehyde Face Serum Crystal Retinal 1 right now is $89.00 at The Skin Care Clinic, compared across 4 retailers.
The all-time low was $75.50 on 13 Oct 2026 — today's price is 18% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 15 Nov 2026.
Last updated at 15/11/2026 03:14:16
Medik8 Crystal Retinal (Strength 1, 3, 6, 10, 20, 24) (Strength: Crystal Retinol 1)
Delivery between Tue – Wed $10
Medik8 – Crystal Retinal 1 – Serum
Delivery $11
Medik8 Crystal Retinal 1 - Firming, Advanced Skin Retinaldehyde Face Serum - Night Serum with Hyaluronic Acid and Vitamin E - Gluten Free - 1 oz
Delivery between 21–24 Nov $29
Crystal Retinal 1 - Firming, Advanced Skin Retinaldehyde Face Serum - Night Serum with Hyaluronic Acid and Vitamin E - Gluten Free - 1 oz
Free delivery between 24–27 Nov
| Benefit | Firm skin, Brighten dark spots, Decongest skin, Smooth stubborn facial wrinkles |
| Body Part | Face |
| Form | Serum |
| Skin Type | Sensitive skin |
| Active Ingredients | Retinal |
Medik8 Crystal Retinal (Strength 1, 3, 6, 10, 20, 24) (Strength: Crystal Retinol 1)
Delivery between Tue – Wed $10
Medik8 – Crystal Retinal 1 – Serum
Delivery $11
Medik8 Crystal Retinal 1 - Firming, Advanced Skin Retinaldehyde Face Serum - Night Serum with Hyaluronic Acid and Vitamin E - Gluten Free - 1 oz
Delivery between 21–24 Nov $29
Crystal Retinal 1 - Firming, Advanced Skin Retinaldehyde Face Serum - Night Serum with Hyaluronic Acid and Vitamin E - Gluten Free - 1 oz
Free delivery between 24–27 Nov
| Benefit | Firm skin, Brighten dark spots, Decongest skin, Smooth stubborn facial wrinkles |
| Body Part | Face |
| Form | Serum |
| Skin Type | Sensitive skin |
| Active Ingredients | Retinal |
