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Elevate your skincare game with Medik8 Crystal Retinal 6, a next-generation retinaldehyde serum delivering clinical-grade results without the downtime. Designed for experienced retinol users ready to take the next step, this powerful nighttime treatment visibly reduces fine lines, improves skin tone and texture, and restores youthful radiance—fast.
Key Benefits:
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✨ Reduces fine lines and wrinkles in just 4 weeks
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💪 Retinaldehyde works up to 11x faster than retinol
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🌙 Boosts collagen production & cellular turnover overnight
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💧 Hydrates and strengthens with hyaluronic acid & vitamin E
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🔬 Clinically proven results, yet gentle enough for nightly use
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🧴 Silk-like texture melts into the skin without residue
How It Works:
Crystal Retinal 6 uses encapsulated retinaldehyde, a potent vitamin A derivative one step closer to retinoic acid than retinol—providing faster, visible anti-ageing results with less irritation. It actively supports skin regeneration, firms sagging areas, smooths out uneven skin tone, and enhances elasticity. Multi-weight hyaluronic acid locks in hydration across all layers of the skin, while vitamin E supports barrier repair and antioxidant protection.
How to Use:
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In the evening, after cleansing, apply a small amount of Crystal Retinal 6 to the face and neck.
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Follow with your moisturiser.
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Start with 2–3 times a week and gradually increase to nightly use as skin builds tolerance.
Patch testing recommended before full use. Avoid during pregnancy or breastfeeding.
Why Choose Medik8 Crystal Retinal 6?
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Clinically proven retinaldehyde technology for fast, visible results
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Ideal step-up from high-strength retinol users
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Hydrating, non-drying, luxurious cream-serum formula
Why Shop at GlamGlobal.co.uk?
✅ 100% Authentic Medik8 Products
🚚 Fast UK Delivery + Worldwide Shipping
💬 Trusted by Thousands of Skincare Enthusiasts
Experience the next level in anti-ageing skincare with Medik8 Crystal Retinal 6, available now at GlamGlobal.co.uk.
Orders & Shipping
About Glam Global UK
Glam Global UK is a genuine business registered in England under Glamglobal Ltd (Company No: 15456055). Our office headquarters is located at GlamGlobal Ltd
27 Old Gloucester Street
London, WC1N 3AX
Order Processing
We process all orders within 1-2 business days at our UK-based warehouse. Unfortunately, we cannot make changes to an order after it is placed. Please ensure all details are correct when checking out.
During high volume periods, processing can take up to 5 business days. You will receive confirmation when your order ships with tracking details to monitor its progress directly via Royal Mail.
Shipping Policies
UK Orders
- Free standard shipping on orders over £50
- Delivered by Royal Mail within 5-7 business days
Shipping Details:
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Origin of Shipments: Some of our products are shipped from our warehouses in the United States or Korea. This allows us to offer you a diverse range of quality products. We want to assure you that all items are carefully selected and undergo strict quality control before dispatch.
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Estimated Delivery Time: Please allow 7-10 days for delivery, considering the additional time required for shipments from the United States or Korea. This ensures that your orders reach you securely and in excellent condition. Please note any tax from International Delivery is included in your price paid at checkout.
International Delivery to UK Tax:
- Included in Price: Please note that any tax from international delivery is already included in the price you paid at checkout. This is to provide you with a seamless and transparent shopping experience, and there will be no additional charges upon delivery.
Order Changes: Once an order is placed, we regret to inform you that we cannot make changes to it. Therefore, please double-check all details during the checkout process to ensure accuracy.
International Orders from countries other then the United Kingdom
- Shipping fee calculated at checkout based on destination
- Import duties and taxes may apply upon delivery
Returns Policy
- 90 day return window
- Original shipping fees are non-refundable
- Contact customer service to initiate a return