{"product_id":"medik8-age-defying-essentials-festive-kit-2026","title":"Medik8 - Age-Defying Essentials Festive Kit","description":"\u003cdiv class=\"sbs-summary\" style=\"background:#F8F8F8;border-left:4px solid #A1DECD;padding:14px 16px;margin:0 0 24px;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eIn short:\u003c\/strong\u003e The Medik8 Age-Defying Essentials Festive Kit is a limited-edition gift set with full-size Advanced Pro-Collagen+ Peptide Cream (50ml), full-size Crystal Retinal 6 (30ml) and a deluxe sample of Liquid Peptides Advanced MP. It is a complete morning-and-evening routine for the look of fine lines, wrinkles and loss of firmness.\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003eWhat’s inside\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Pro-Collagen+ Peptide Cream, 50ml (full size):\u003c\/strong\u003e a collagen-supporting peptide moisturiser that Medik8 says helps increase collagen production by 45%, for visibly firmer, more resilient skin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/medik8-crystal-retinal-6\"\u003eCrystal Retinal 6\u003c\/a\u003e, 30ml (full size):\u003c\/strong\u003e a stabilised retinaldehyde (vitamin A) night serum, which Medik8 says works up to 11x faster than retinol, for smoother-looking skin and fewer visible lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/medik8-liquid-peptides-advanced\"\u003eLiquid Peptides Advanced MP\u003c\/a\u003e, deluxe sample:\u003c\/strong\u003e Medik8’s Dual MiniProtein™ serum, clinically proven to diminish the appearance of expression lines in 10 minutes and reduce deep-set wrinkles in 8 weeks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho it’s for\u003c\/h2\u003e\u003cp\u003eAnyone targeting fine lines, wrinkles and firmness who already uses vitamin A, or who is ready to move up from a gentler retinal. Crystal Retinal 6 is a mid strength. If you have never used vitamin A, choose the Rejuvenation Routine or Nighttime Nourish kit, which use Crystal Retinal 3.\u003c\/p\u003e\u003ch2\u003eHow to use\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMorning:\u003c\/strong\u003e cleanse, apply Liquid Peptides Advanced MP, then Advanced Pro-Collagen+ Peptide Cream. Finish with SPF.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvening:\u003c\/strong\u003e cleanse and apply Crystal Retinal 6 after serums and before moisturiser, then Advanced Pro-Collagen+ Peptide Cream.\u003c\/li\u003e\n\u003cli\u003eNew to Crystal Retinal? Medik8 recommends using it twice a week for two weeks, then every other night for two weeks, then every night.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eWhy this set\u003c\/h2\u003e\u003cp\u003eYou get two full-size products and a peptide serum sample. Bought on its own, \u003ca href=\"\/products\/medik8-crystal-retinal-6\"\u003eCrystal Retinal 6\u003c\/a\u003e is £69 on our site.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eContains vitamin A. If you are pregnant or breastfeeding, speak to your GP or midwife before use. Patch test before first use.\u003c\/em\u003e\u003c\/p\u003e\u003ch2\u003eFAQs\u003c\/h2\u003e\u003ch3\u003eCan I use Crystal Retinal every night?\u003c\/h3\u003e\u003cp\u003eYes, once your skin is used to it. Medik8 recommends phasing it in: twice a week for 2 weeks, every other night for 2 weeks, then every night.\u003c\/p\u003e\u003ch3\u003eIs Crystal Retinal 6 too strong for beginners?\u003c\/h3\u003e\u003cp\u003eMedik8 suggests starting with a lower strength if you are new to vitamin A. You do not need to phase in again when moving up from Crystal Retinal 3 to 6.\u003c\/p\u003e\u003ch3\u003eCan I use Liquid Peptides Advanced MP with retinal?\u003c\/h3\u003e\u003cp\u003eYes. In this kit, Liquid Peptides Advanced MP is the morning serum and Crystal Retinal 6 is used in the evening.\u003c\/p\u003e\u003ch3\u003eCan I use this kit while pregnant or breastfeeding?\u003c\/h3\u003e\u003cp\u003eMedik8 generally recommends avoiding vitamin A while pregnant or breastfeeding, so speak to your GP or midwife before using Crystal Retinal 6.\u003c\/p\u003e","brand":"Medik8","offers":[{"title":"Default Title","offer_id":54489500811611,"sku":"P16045","price":113.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/9338\/4027\/files\/818625029852AgeDefyingEssentials-1.jpg?v=1792847338","url":"https:\/\/skinbyscience.co.uk\/products\/medik8-age-defying-essentials-festive-kit-2026","provider":"skinbyscience","version":"1.0","type":"link"}