--- product_id: 404998468 title: "Medik8 Crystal Retinal, Age-Defying Serum, 11x Faster than Retinol" brand: "medik8" price: "$178.60" currency: USD in_stock: true category: "Medik8" url: https://www.desertcart.us/products/404998468-medik8-crystal-retinal-age-defying-serum-11x-faster-than-retinol store_origin: US region: United States of America --- # 11x faster wrinkle reduction Hyaluronic Acid hydration boost Antibacterial & antioxidant defense Medik8 Crystal Retinal, Age-Defying Serum, 11x Faster than Retinol **Brand:** medik8 **Price:** $178.60 **Availability:** ✅ In Stock ## Summary > ⚡ Unlock your skin’s future—11x faster, visibly radiant, undeniably you. ## Quick Answers - **What is this?** Medik8 Crystal Retinal, Age-Defying Serum, 11x Faster than Retinol by medik8 - **How much does it cost?** $178.60 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/404998468-medik8-crystal-retinal-age-defying-serum-11x-faster-than-retinol) ## Best For - medik8 enthusiasts ## Why This Product - Trusted medik8 brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rapid Age-Defying Power:** Experience wrinkle reduction 11x faster than traditional retinol for visibly younger skin. - • **Customizable Strength Ladder:** Choose from 5 progressive retinaldehyde concentrations to tackle fine lines and dark spots at your pace. - • **Radiance & Firmness Amplified:** Transforms texture, brightness, and firmness for a luminous, youthful glow. - • **Clean, Professional-Grade Formula:** Alcohol-free, fragrance-free, vegan, and enriched with Hyaluronic Acid, Vitamin E, and Glycerin for skin clarity. - • **Scientifically Backed CSA Routine:** Integrates seamlessly into Medik8’s proven Vitamin C + Sunscreen + Vitamin A regimen. ## Overview Medik8 Crystal Retinal is a professional-grade retinaldehyde serum delivering wrinkle reduction up to 11 times faster than classic retinol. Featuring a clean, vegan formula enriched with Hyaluronic Acid, Vitamin E, and Glycerin, it visibly improves skin texture, brightness, firmness, and clarity. Designed for gradual use with 5 strength levels, it fits perfectly into Medik8’s CSA anti-aging routine, offering dermatologist-recommended, science-backed results for adult skin. ## Description Powerful retinal serum delivers 11x faster wrinkle reduction than retinol. Improves skin texture, brightness, firmness, and clarity with a vitamin A-based formula. ## Features - FAST WRINKLE REDUCING POWER - Wrinkle reduction with just 1 tube. Retinaldehyde works up to 11 times faster than classic retinol. - RADIANT, YOUTHFUL SKIN - Delivers remarkable visible improvement in texture, brightness, firmness & clarity. Vitamin A is a key pillar of Medik8's simple yet effective anti-ageing strategy of using vitamin C followed by sunscreen by day, and vitamin A at night. This is called the CSA philosophy. - PROFESSIONAL-GRADE RESULTS- Our iconic retinaldehyde serum boasts antibacterial properties to help target blemish-causing bacteria for visibly clarified skin. Our formula features key ingredients: Hyaluronic Acid, Vitamin E and Glycerin. - HOW TO USE - Step 1: After cleansing in the evening, apply 2 pumps of Crystal Retinal to the face and neck. Allow to absorb then follow with a moisturiser. Step 2: For new users of Crystal Retinal, phase application in gradually. Use twice a week for the first 2 weeks, every other night for the next 2 weeks, then every night. - PROGRESSIVE STRENGTHS - Our unique ladder of 5 progressive strengths (0.01 - 0.2% retinaldehyde) means you can keep experiencing ever-improving benefits that tackle the most stubborn fine lines, wrinkles and dark spots. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09CKHKP75 | | ASIN | B09CKHKP75 | | Active Ingredients | Retinaldehyde, Hyaluronic Acid, Vitamin E, Glycerin | | Age Range Description | Adult | | Benefits | Delivers remarkable visible improvement in texture, brightness, firmness and clarity. | | Best Sellers Rank | 1,434 in Beauty ( See Top 100 in Beauty ) 2 in Face Night Care Serums & Fluids | | Brand Name | Medik8 | | Container Type | Tube | | Customer Reviews | 4.5 4.5 out of 5 stars (218) | | Customer reviews | 4.5 4.5 out of 5 stars (218) | | Date First Available | 12 Nov. 2021 | | Global Trade Identification Number | 00818625024536 | | Item Dimensions | 31 x 51 x 138 millimetres | | Item Form | Gel | | Item Highlight | Age-Defying Retinal Night Serum, Improves Wrinkles & Skin Firmness, | | Item Type Name | Retinal Serum | | Item Volume | 30 Millilitres | | Item Weight | 30 Grams | | Item model number | 818625024536 | | Manufacturer | Medik8 | | Manufacturer | Medik8 | | Manufacturer Part Number | P08848 | | Material Features | Antioxidant | | Material Type Free | Alcohol Free, Fragrance Free, No Synthetic Colours, Paraben Free, Vegan | | Model Number | 818625024536 | | Number of Items | 1 | | Other Special Features of the Product | Backed by Science, Delivers Radiant, Youthful Skin, Dermatologist Recommended, Minimises Signs of Ageing, Professional Results | | Product Dimensions | 3.1 x 5.1 x 13.8 cm; 30 g | | Recommended Uses For Product | Wrinkles | | Skin Type | Normal | | Special Ingredients | Glycerin, Hyaluronic Acid, Retinaldehyde, Vitamin E | | Specific Uses For Product | Phase application in gradually. Use twice a week for the first 2 weeks, every other night for the next 2 weeks, then every night. After cleansing in the evening, apply 2 pumps of Crystal Retinal to the face and neck. Allow to absorb. Follow with a moisturiser. Always use a sunscreen the next morning after using vitamin A. | | UPC | 818625024536 | | Unit Count | 30.0 millilitre | ## Product Details - **Active ingredients:** Retinaldehyde, Hyaluronic Acid, Vitamin E, Glycerin - **Age range (description):** Adult - **Brand:** Medik8 - **Item dimensions L x W x H:** 31 x 51 x 138 millimetres - **Item form:** Gel - **Item volume:** 30 Millilitres - **Number of items:** 1 - **Skin type:** Normal - **Unit count:** 30.0 millilitre ## Images ![Medik8 Crystal Retinal, Age-Defying Serum, 11x Faster than Retinol - Image 1](https://m.media-amazon.com/images/I/31jjXU-1TzL.jpg) ![Medik8 Crystal Retinal, Age-Defying Serum, 11x Faster than Retinol - Image 2](https://m.media-amazon.com/images/I/41l2ol3hnwL.jpg) ![Medik8 Crystal Retinal, Age-Defying Serum, 11x Faster than Retinol - Image 3](https://m.media-amazon.com/images/I/51AYtzvZM1L.jpg) ![Medik8 Crystal Retinal, Age-Defying Serum, 11x Faster than Retinol - Image 4](https://m.media-amazon.com/images/I/410iwhCGV3L.jpg) ![Medik8 Crystal Retinal, Age-Defying Serum, 11x Faster than Retinol - Image 5](https://m.media-amazon.com/images/I/41-SqjkCspL.jpg) ## Available Options This product comes in different **Pattern** options. ## Questions & Answers **Q: Should I use it as a serum or a cream?** A: Hi, thanks for your question - Crystal Retinal 6 is an emulsion-based serum that is designed to be worn underneath a moisturiser to keep the skin hydrated. Our Advanced Night Restore is ideal to apply on top as this contains Advanced Ceramides and has been optimised for use with Vitamin A such as Retinaldehyde. Thanks, Medik8. ## Frequently Bought Together - Medik8 Crystal Retinal 6 - Age-Defying Retinal Night Serum - Improves Wrinkles & Skin Firmness- 0.06% Retinal Strength - 11x Faster than Retinol - For Regular Vitamin A Users - 30ml - Medik8 Advanced Night Restore - Rejuvenating Multi-Ceramide Night Cream - Moisturiser - Deeply Nourish and Visibly Firm Your Complexion While You Sleep - 50ml - Medik8 Crystal Retinal Ceramide 3 Eye Cream - Anti Ageing & Anti Wrinkle - Smooth & Lift Eye Cream - 0.03% Retinal Strength - 11x Faster than Retinol - For New Vitamin A Users - 15ml --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/404998468-medik8-crystal-retinal-age-defying-serum-11x-faster-than-retinol](https://www.desertcart.us/products/404998468-medik8-crystal-retinal-age-defying-serum-11x-faster-than-retinol) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-18*