{"product_id":"mixsoon-vitamin-c-powder-1-box-100mg-x-10ea-mirai-skin-mixsoon-vitamin-c-powder-1-box-100mg-x-10ea","title":"mixsoon Vitamin C Powder 1 BOX (100mg x 10ea)","description":"\u003ch2\u003emixsoon Vitamin C Powder: Fresh-Mixed L-Ascorbic Acid for Maximum Potency\u003c\/h2\u003e\n\u003cp\u003eThis is mixsoon's vitamin C in single-dose powder sachets, solving the biggest practical problem with L-ascorbic acid vitamin C: oxidation. Pre-mixed vitamin C serums begin degrading the moment they're exposed to air and light, typically becoming significantly less effective within 2 to 3 months of opening. Powder format eliminates this entirely: the ascorbic acid stays fully potent in the sachet until the moment you mix it with toner or essence. At $38.75 for 10 sachets, this is premium per-application pricing but delivers maximum fresh potency each time.\u003c\/p\u003e\n\u003cp\u003eL-ascorbic acid is the most-studied form of topical vitamin C with the strongest evidence for brightening, collagen synthesis stimulation, and antioxidant defense. The challenge has always been stability. mixsoon's powder format makes the classic \"best but unstable\" vitamin C accessible in a way that bottled serums can't match for active potency.\u003c\/p\u003e\n\u003ch3\u003eWhat It Does\u003c\/h3\u003e\n\u003cp\u003eL-ascorbic acid inhibits tyrosinase (reducing melanin production), provides potent antioxidant defense against UV and pollution damage, and stimulates fibroblast collagen synthesis. Delivered fresh from powder, the active concentration is at its maximum potential. Over 6 to 12 weeks of consistent use (2 to 3 times weekly), expect visible brightening, reduced dark spots, and improved skin firmness.\u003c\/p\u003e\n\u003ch3\u003eWho It's For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin C enthusiasts:\u003c\/strong\u003e Maximum potency format appeals to this demographic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDark spot and hyperpigmentation concerns:\u003c\/strong\u003e Strongest clinical tyrosinase inhibitor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDull and tired skin:\u003c\/strong\u003e Immediate and cumulative brightening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-event prep:\u003c\/strong\u003e Single-use sachets for targeted brightening weeks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIngredient purists:\u003c\/strong\u003e No preservatives or stabilizers in powder format.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolume: 100mg x 10 sachets (1 box)\u003c\/li\u003e\n\u003cli\u003ePrice: $38.75\u003c\/li\u003e\n\u003cli\u003eHero active: L-ascorbic acid (pure vitamin C)\u003c\/li\u003e\n\u003cli\u003eFormat: single-dose powder sachets\u003c\/li\u003e\n\u003cli\u003eMixing: with toner, essence, or water\u003c\/li\u003e\n\u003cli\u003eShelf life: 24+ months unopened, use immediately after mixing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eOpen one sachet. Mix with 1 tablespoon of your toner, essence, or water in your palm. Stir until dissolved (15 to 20 seconds). Apply immediately to clean skin, patting and pressing into face. Don't save any unused mixture; vitamin C oxidizes rapidly once wet.\u003c\/p\u003e\n\u003cp\u003eUse 2 to 3 times weekly. Start PM only for 1 to 2 weeks to establish tolerance, then add AM with SPF if desired. Always use SPF during daylight when using vitamin C; it increases photosensitivity slightly.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eWhat concentration am I getting?\u003c\/h4\u003e\n\u003cp\u003eDepends on how much liquid you mix it with. 100mg in 1 tablespoon (15ml) liquid is approximately 0.67%, which is a gentle introduction. 100mg in 1 teaspoon (5ml) is 2%, which is a working concentration. Adjust based on skin tolerance and desired strength.\u003c\/p\u003e\n\u003ch4\u003eHow does it compare to pre-mixed vitamin C serums?\u003c\/h4\u003e\n\u003cp\u003ePre-mixed serums: convenient, consistent daily dosing, but progressive oxidation reduces potency over 2 to 3 months. Powder: maximum potency each use, but requires mixing step and costs more per application. For serious vitamin C enthusiasts: powder. For casual daily use: pre-mixed.\u003c\/p\u003e\n\u003ch4\u003eCan I mix it with any toner?\u003c\/h4\u003e\n\u003cp\u003eWater-based toners work best. Alcohol-heavy toners may not fully dissolve the powder. Oil-based products won't mix properly. Stick with watery essences or plain distilled water for safest mixing.\u003c\/p\u003e\n\u003ch4\u003eWill it irritate sensitive skin?\u003c\/h4\u003e\n\u003cp\u003ePossible at higher concentrations. Start with generous liquid (1 tablespoon or more per sachet) to dilute. If stinging persists past 1 to 2 minutes, use less powder per session or dilute more.\u003c\/p\u003e\n\u003ch4\u003eWhen will I see results?\u003c\/h4\u003e\n\u003cp\u003eGlow and brightening: 2 to 3 weeks. Visible dark spot fading: 8 to 12 weeks. Collagen and firmness: 12+ weeks.\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003ePair with mixsoon Amino Acid Powder for compound boost routines, or mix into mixsoon Bifida Toner for ferment-plus-C treatment.\u003c\/p\u003e\n\u003cp\u003eBrowse the full mixsoon collection or related: Korean vitamin C products, best Korean brightening products.\u003c\/p\u003e\n","brand":"mirai-skin","offers":[{"title":"Default Title","offer_id":51741085597984,"sku":"53812766343540","price":15.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/8333\/4432\/files\/c440e54873da62913dd04c41c590203d.webp?v=1779694773","url":"https:\/\/usmirai-skin.com\/products\/mixsoon-vitamin-c-powder-1-box-100mg-x-10ea-mirai-skin-mixsoon-vitamin-c-powder-1-box-100mg-x-10ea","provider":"usmirai-skin.com","version":"1.0","type":"link"}