{"product_id":"medik8-crystal-retinal-1-night-serum-0-01-retinaldehyde-gentle-hydrating-facial-serum-with-hyaluronic-acid","title":"Medik8 Crystal Retinal 1 Night Serum 0.01% Retinaldehyde — Gentle Hydrating Facial Serum with Hyaluronic Acid","description":"\u003cp\u003e\u003cstrong\u003eMedik8 Crystal Retinal 1 is a gentle nightly face serum that uses 0.01% retinaldehyde with hyaluronic acid and vitamin E to smooth texture and support a more refined, radiant appearance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFormulated as the mildest strength in Medik8’s Crystal Retinal range, this 1 oz night serum is designed for people new to retinal or with very sensitive skin who want the resurfacing benefits of a vitamin A derivative without aggressive irritation. The lightweight liquid blends retinaldehyde with hydrating humectants and antioxidant vitamin E to help skin feel plump while you sleep. It comes in Medik8’s lab-developed formula, gluten-free and intended for bedtime use as part of a progressive retinal program.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Crystal Retinal 1 work while I sleep?\u003c\/h3\u003e\n\u003cp\u003eCrystal Retinal 1 uses retinaldehyde, a direct precursor to retinoic acid, to encourage cellular turnover and smoother surface texture more efficiently than retinol, while being formulated at a low concentration to limit irritation. Supporting ingredients like hyaluronic acid and glycerin draw and trap moisture, and vitamin E provides antioxidant support for skin comfort overnight.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0.01% retinaldehyde for gentle resurfacing\u003c\/li\u003e\n  \u003cli\u003eHyaluronic acid and glycerin boost hydration and skin plumpness\u003c\/li\u003e\n  \u003cli\u003eVitamin E to help protect and soothe during renewal\u003c\/li\u003e\n  \u003cli\u003eLightweight, non-greasy nightly application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this suitable for sensitive or new-to-retinal skin?\u003c\/h3\u003e\n\u003cp\u003eYes—Crystal Retinal 1 is specifically positioned as the introductory strength in the Crystal Retinal lineup, crafted for sensitive skin types and those who haven’t used retinal or retinoids before. Its low concentration reduces the likelihood of redness and flaking, and you can build tolerance before moving to higher strengths.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLowest-strength option: 0.01% retinaldehyde\u003c\/li\u003e\n  \u003cli\u003eGentle humectants to minimize dryness\u003c\/li\u003e\n  \u003cli\u003eStart gradually: use 1–3 times weekly, then increase frequency\u003c\/li\u003e\n  \u003cli\u003ePart of a progressive strength system for controlled adaptation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I incorporate it into my nighttime routine?\u003c\/h3\u003e\n\u003cp\u003eApply a small, pea-sized amount to fully cleansed, dry skin after water-based serums and before richer creams. Because it’s a night-only treatment, avoid daytime sun exposure without broad-spectrum sunscreen; retinal increases skin’s sensitivity to UV even at low concentrations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse in the evening after cleansing and toning\u003c\/li\u003e\n  \u003cli\u003eStart with intermittent use and slowly increase to nightly\u003c\/li\u003e\n  \u003cli\u003eFollow with moisturizer to lock in hydration\u003c\/li\u003e\n  \u003cli\u003eAlways use daily SPF during the day\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat visible changes can I expect and when?\u003c\/h3\u003e\n\u003cp\u003eBecause retinaldehyde converts more readily than retinol, many users notice smoother texture and improved radiance sooner, though timelines vary by individual. With consistent evening use, expect gradual refinement in skin tone and reduced appearance of fine lines over weeks to months while tracking tolerance and adjusting frequency as needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEarly: improved hydration and skin texture within weeks\u003c\/li\u003e\n  \u003cli\u003eOngoing: progressive smoothing and refined surface over months\u003c\/li\u003e\n  \u003cli\u003eIncremental improvements optimized by consistent, correct use\u003c\/li\u003e\n  \u003cli\u003eAdjust frequency if irritation appears\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Medik8 Crystal Retinal 1 is aimed at people seeking a gentle introduction to vitamin A treatments—those with sensitive, reactive, or retinal-naïve skin who want the resurfacing benefits of retinaldehyde but prefer a measured, lower-concentration approach. It’s also suitable for anyone who wants a hydrating night serum that supports gradual improvement in texture and radiance without aggressive irritation. If you’re comfortable with results and tolerance, Medik8’s progressive Crystal Retinal strengths allow you to step up intensity over time.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater, Caprylic\/Capric Triglyceride, Glycerin, Isododecane, Cetearyl Olivate, Sodium Acrylate\/Sodium Acryloyldimethyl Taurate Copolymer, Cetearyl Alcohol, PPG-12\/SMDI Copolymer, Sorbitan Olivate, Tocopheryl Acetate, Squalane, Hydroxyethyl Acrylate\/Sodium Acryloyldimethyl Taurate Copolymer, Hydroxyacetophenone, Cyclodextrin, 3-O-Ethyl Ascorbic Acid, Sodium Polyaspartate, Hydroxypropyl Methylcellulose, Sodium Hyaluronate, Phenoxyethanol, Tetrahexyldecyl Ascorbate, Daucus Carota Sativa (Carrot) Seed Oil, Retinal, Alumina, Isostearic Acid, Lecithin, Polyglyceryl-3 Polyricinoleate, Polyhydroxystearic Acid, Lonicera Japonica (Honeysuckle) Flower Extract, Lonicera Caprifolium (Honeysuckle) Flower Extract, Stearic Acid, Citric Acid, BHT, Rubus Chamaemorus Seed Oil, Polysorbate 60, Disodium EDTA, Ethylhexylglycerin, Sorbitan Isostearate, Pentylene Glycol, Vanilla Planifolia Fruit Extract, 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 1 with other actives?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use cautiously: avoid combining with strong exfoliants (AHA\/BHA) initially. Introduce slowly and monitor sensitivity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should beginners apply this serum?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Start 1–3 nights per week, then increase gradually to nightly as skin builds tolerance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Medik8","offers":[{"title":"Default Title","offer_id":51488125616361,"sku":"B07Y8Q6BNF","price":154.76,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/7674\/2633\/files\/medik8-crystal-retinal-1-front-bottle.jpg?v=1783303195","url":"https:\/\/cervaaustralia.com\/products\/medik8-crystal-retinal-1-night-serum-0-01-retinaldehyde-gentle-hydrating-facial-serum-with-hyaluronic-acid","provider":"Cerva Australia | Professional Beauty Supplies, Skincare \u0026 Cosmetics","version":"1.0","type":"link"}