For seasoned retinoid users seeking unparalleled anti-ageing power, Medik8 Crystal Retinal 20 offers the highest strength in the iconic Crystal Retinal range. Featuring 0.2% encapsulated retinaldehyde, this clinic-exclusive night serum delivers visibly smoother, firmer, and more youthful-looking skin up to 11x faster than traditional retinol. Key Benefits: ⚡ 11x Faster than Classic Retinol – Retinaldehyde accelerates skin renewal for rapid improvements in texture and tone. 🔬 Targets Deep Lines & Wrinkles – Boosts collagen production to visibly firm, plump, and lift mature skin. 🌙 Powerful Night Treatment – Works overnight to resurface and smooth without compromising hydration. 💧 Hydrating Formula – Infused with hyaluronic acid, glycerin, and vitamin E to nourish and support the skin barrier. 🧪 Advanced Strength for Experts – Designed only for those who have completed two tubes of Crystal Retinal 10™. How to Use: Evening only – after cleansing, apply a pea-sized amount to the face and neck. Follow with your Medik8 moisturiser. Use 2-3 times per week initially, then gradually increase to nightly use as tolerated. Always follow with SPF in the morning. ⚠️ Crystal Retinal 20 is a high-strength formula. Do not use if you haven’t completed at least two full tubes of Crystal Retinal 10™.🧪 Patch test before first use. Skin Type: ✔ Suitable for normal, oily, combination, and mature skin. Not recommended for sensitive or reactive skin. Why Shop at GlamGlobal.co.uk?💯 100% Genuine Medik8 Products🚚 Fast UK Shipping + Global Delivery🏆 Trusted by Skincare Professionals Unlock clinical-grade results at home with Medik8 Crystal Retinal 20 – available now at GlamGlobal.co.uk.