{"product_id":"medik8-crystal-retinal-10-retinaldehyde-night-serum-1-oz-0-10-strength-hydrating-with-hyaluronic-acid","title":"Medik8 Crystal Retinal 10 Retinaldehyde Night Serum 1 oz — 0.10% Strength, Hydrating with Hyaluronic Acid","description":"\u003cstrong\u003eMedik8 Crystal Retinal 10 is a nighttime facial serum with 0.10% retinaldehyde that targets texture and lines while delivering hydration through hyaluronic acid and vitamin E.\u003c\/strong\u003e\n\n\u003cp\u003eThis concentrated night serum from Medik8 combines retinaldehyde, humectant-rich hyaluronic acid, glycerin, and antioxidant vitamin E in a 1 oz bottle designed to refine skin texture and support a smoother appearance. Crystal Retinal 10 is part of a stepped-strength retinal line that helps experienced retinoid users progress to a higher retinaldehyde concentration for more pronounced resurfacing effects without adding unnecessary ingredients.\u003c\/p\u003e\n\n\u003ch3\u003eHow will Crystal Retinal 10 change my evening skincare routine?\u003c\/h3\u003e\n\u003cp\u003eUse this serum after cleansing and before heavier creams or oils. Because it’s formulated for evening application, it works overnight to support cellular turnover and surface renewal while you sleep, pairing well with hydrating layers to reduce dryness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply a pea-sized amount to dry skin each night.\u003c\/li\u003e\n  \u003cli\u003eLayer under a moisturizer or sleeping cream to lock in hydration.\u003c\/li\u003e\n  \u003cli\u003eAvoid mixing with other strong actives (e.g., benzoyl peroxide) on the same night.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes retinaldehyde in this serum different from retinol?\u003c\/h3\u003e\n\u003cp\u003eRetinaldehyde is a vitamin A analogue that converts to the active form more directly than retinol, offering faster resurfacing while maintaining a tolerable profile for many users. Medik8’s Crystal Retinal formulations are designed to give measurable improvement in texture with predictable tolerability when introduced correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContains 0.10% retinaldehyde for advanced users.\u003c\/li\u003e\n  \u003cli\u003eFaster conversion to active vitamin A than retinol, supporting quicker results.\u003c\/li\u003e\n  \u003cli\u003eFormulated alongside humectants to counter potential dryness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this serum dry out or irritate my skin?\u003c\/h3\u003e\n\u003cp\u003eAny potent vitamin A product can cause temporary dryness or sensitivity, particularly when strengths increase. Crystal Retinal 10 is intended for those already acclimated to retinal use; pairing it with hyaluronic acid, glycerin, and vitamin E in the formula helps reduce irritation risk but a gradual introduction is recommended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStart by alternating nights if coming from a lower strength.\u003c\/li\u003e\n  \u003cli\u003eUse a soothing moisturizer and avoid over-exfoliation during adjustment.\u003c\/li\u003e\n  \u003cli\u003eDiscontinue or reduce frequency if persistent irritation occurs and consult a skincare professional if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow quickly will I see results and how should I progress strengths?\u003c\/h3\u003e\n\u003cp\u003eResults vary by individual, but experienced users typically notice improved texture and reduced fine lines within weeks of consistent nightly use. Medik8 recommends a step-up approach—move to Crystal Retinal 10 only after successful use of lower strengths, such as Crystal Retinal 6, to build tolerance and maximize benefits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExpect incremental texture and tone improvements over several weeks.\u003c\/li\u003e\n  \u003cli\u003eAdvance to 10% retinaldehyde after tolerating lower concentrations without prolonged irritation.\u003c\/li\u003e\n  \u003cli\u003eMaintain sunscreen daily; daytime UV protection supports long-term outcomes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Crystal Retinal 10 suits experienced retinal or retinoid users who have successfully acclimated to mid-strength retinal treatments and want to step up to a 0.10% retinaldehyde formula for stronger resurfacing effects. It’s made for people seeking an advanced nighttime serum that combines a clinically minded retinoid with hydrating and antioxidant support. If you are new to vitamin A actives or have very reactive skin, consider beginning with a lower-strength Medik8 Crystal Retinal product and consult product guidance or a skincare professional before moving to this concentration.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater, Caprylic\/Capric Triglyceride, Glycerin, Isododecane, Cyclodextrin, Cetearyl Olivate, Sodium Acrylate\/Sodium Acryloyldimethyl Taurate Copolymer, Cetearyl Alcohol, Sorbitan Olivate, Tocopheryl Acetate, Squalane, Hydroxyethyl Acrylate\/Sodium Acryloyldimethyl Taurate Copolymer, Hydroxyacetophenone, Rubus Chamaemorus Seed Oil, 3-O-Ethyl Ascorbic Acid, Phenoxyethanol, Hydroxypropyl Methylcellulose, Pentylene Glycol, Daucus Carota Sativa (Carrot) Seed Oil, Retinal, Sodium Hyaluronate, Tetrahexyldecyl Ascorbate, Alumina, Isostearic Acid, Lecithin, Polyglyceryl-3 Polyricinoleate, Lonicera Japonica (Honeysuckle) Flower Extract, Lonicera Caprifolium (Honeysuckle) Flower Extract, Polyhydroxystearic Acid, Disodium EDTA, Stearic Acid, Ethylhexylglycerin, Polysorbate 60, Sorbitan Isostearate, BHT, Vanilla Planifolia Fruit Extract, Sodium Polyaspartate, Dipteryx Odorata Bean Extract, Coumarin, Red 4, Titanium Dioxide\/CI 77891.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use Crystal Retinal 10 every night?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If you’re already adapted to stronger retinoids, you may use it nightly; otherwise alternate nights while building tolerance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I wear sunscreen while using this retinal serum?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Daily sunscreen is recommended to protect newly resurfaced skin and support long-term results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Medik8","offers":[{"title":"Default Title","offer_id":51489803927785,"sku":"B0BHX3Y6XS","price":267.96,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/7674\/2633\/files\/medik8-crystal-retinal-10-front-box-bottle.jpg?v=1783306600","url":"https:\/\/cervaaustralia.com\/products\/medik8-crystal-retinal-10-retinaldehyde-night-serum-1-oz-0-10-strength-hydrating-with-hyaluronic-acid","provider":"Cerva Australia | Professional Beauty Supplies, Skincare \u0026 Cosmetics","version":"1.0","type":"link"}