{"product_id":"medik8-crystal-retinal-10-stable-retinal-night-serum-vitamin-a-anti-aging-serum-30ml-2026150905","title":"Medik8 Crystal Retinal 10 Stable Retinal Night Serum Vitamin A Anti-Aging Serum 30ml","description":"\u003cp\u003eFormulated with stabilised retinal, a powerful derivative of Vitamin A with next-generation anti-ageing results. Unmatched in its age-defying power, retinal can deliver results comparable to clinical-grade Vitamin A up to 11 times faster than classic forms of retinol.\u003c\/p\u003e\u003cp\u003eG. Siegenthaler et al., Retinol and retinal metabolism, Biochemical Journal, 1990, 268, pp 371-378.\u003c\/p\u003e\u003cp\u003eThe ground-breaking overnight serum visibly minimises fine lines and wrinkles, firming and plumping the complexion to resurface skin texture and soften the face.\u003c\/p\u003e\u003cp\u003eFormulation: Serum\u003c\/p\u003e\u003cp\u003eBeauty effect: Fine Lines \u0026amp; Wrinkles, Anti-Wrinkle, Smoothing, Brightening, Firming \u0026amp; Tightening, Reduces Pigmentation, Regenerative\u003c\/p\u003e\u003cp\u003eBrand: Medik8\u003c\/p\u003e\u003cp\u003eCountry of origin: United Kingdom\u003c\/p\u003e\u003cp\u003eVolume: 30ml\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e After cleansing in the evening, massage a small amount of Crystal Retinal across the face, neck and décolletage. Allow to absorb before applying your moisturiser. Crystal Retinal application should be phased in gradually, and only use in the evening. Use twice a week for the first 2 weeks, every other night for the next 2 weeks, then every night. Always wear sunscreen the following morning while using this product, and for 1 week after. Consult a doctor if breastfeeding or pregnant.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSafety Warning:\u003c\/strong\u003e Avoid eye area. If product enters eyes, rinse well with water. If irritation occurs, cease use. Should irritation persist, consult a doctor. Use only as directed and on unbroken skin. Patch testing prior to use is advised. Refer to www.medik8.com\/pages\/patch-test for an in-depth guide to patch testing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey ingredients:\u003c\/strong\u003e Hyaluronic Acid, Retinol, Retinoid\u003c\/p\u003e\u003cp\u003eSuitable for vegans\/vegetarians: Suitable For Vegans\u003c\/p\u003e","brand":"John Lewis","offers":[{"title":"Default Title","offer_id":48313782567150,"sku":"STO-ITEM-2026-150905","price":138.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0522\/0125\/9183\/files\/109272580.webp?v=1784056462","url":"https:\/\/mcgrocer.com\/products\/medik8-crystal-retinal-10-stable-retinal-night-serum-vitamin-a-anti-aging-serum-30ml-2026150905","provider":"McGrocer","version":"1.0","type":"link"}