{"product_id":"cosrx-the-vitamin-c-23-serum-20g-high-strength-dark-spot-brightening-serum-1","title":"COSRX The Vitamin C 23 Serum 20g – High-Strength Dark Spot Brightening Serum","description":"\u003ch2 class=\"text-xl font-semibold mt-7 mb-3 first:mt-0\"\u003eOverview\u003c\/h2\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003eThe Vitamin C 23 Serum 20g is a high-strength brightening treatment designed to visibly improve dark spots, dullness and uneven skin texture.\u003c\/p\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003eWith a concentrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003e23% Vitamin C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eformula, it helps reduce the appearance of discoloration, smooth the look of rough patches and boost overall radiance. Lightweight yet potent, this serum is ideal as a targeted evening step in your routine for more experienced active users who want faster, clearer results.\u003c\/p\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003eUsed consistently, it can help support a brighter, more even-toned complexion and a smoother, refined skin surface.\u003c\/p\u003e\n\u003ch2 class=\"text-xl font-semibold mt-7 mb-3 first:mt-0\"\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003eHigh-strength\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003e23% Vitamin C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebrightening serum\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eTargets\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003edark spots, post-acne marks and overall dullness\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eHelps refine the look of skin texture and pores\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eLightweight formula designed to absorb quickly\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003e20g size – ideal as a focused treatment course\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eBest for experienced Vitamin C users (not a beginner product)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"text-xl font-semibold mt-7 mb-3 first:mt-0\"\u003eWho It’s For\u003c\/h2\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003eAdults concerned with:\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003eDark spots and hyperpigmentation\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003ePost-blemish marks\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eDull, tired-looking skin\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eUneven texture and tone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eThose who already tolerate Vitamin C or actives and want a\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003ehigher concentration\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eNormal, combination and oily skin types; dry or sensitive skin should introduce with caution\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003eNot recommended for very sensitive or compromised skin, or for those new to strong actives. If you use prescription retinoids or strong exfoliating acids, consult a professional before adding this serum.\u003c\/p\u003e\n\u003ch2 class=\"text-xl font-semibold mt-7 mb-3 first:mt-0\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003eHelps\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003evisibly brighten\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethe skin for a clearer, more radiant look\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eTargets\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003edark spots, sun damage and post-acne marks\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eSupports a more\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003eeven, uniform skin tone\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eAssists in refining\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003etexture and visible pores\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor a smoother appearance\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eProvides antioxidant support to help defend against environmental stressors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"text-xl font-semibold mt-7 mb-3 first:mt-0\"\u003eHow to Use\u003c\/h2\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003eFrequency (introduce slowly):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003eStart with\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003e2–3 nights per week\u003c\/strong\u003e, then gradually increase as your skin adapts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col class=\"list-decimal space-y-0.5 mt-2 mb-5 [\u0026amp;_ol]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ol\u0026gt;li]:ml-4 [\u0026amp;_ol\u0026gt;li]:my-1 [\u0026amp;_ol]:list-[lower-alpha] [\u0026amp;_ol_ol]:list-[lower-roman]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003eIn the evening, cleanse and (optionally) apply a gentle, non-exfoliating toner.\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eApply a small amount of The Vitamin C 23 Serum to dry skin, focusing on areas with dark spots or uneven tone.\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eGently spread and pat until fully absorbed, avoiding the immediate eye and lip area and any broken skin.\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eFollow with a hydrating serum or moisturizer to support comfort and barrier function.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003eDaytime care:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003eAlways wear a\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003ebroad-spectrum SPF 30+\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eduring the day when using Vitamin C or other brightening actives.\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eAvoid layering this serum in the same routine with strong AHA\/BHA peels, other high-strength Vitamin C, or retinoids unless guided by a professional.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003eIf you experience persistent stinging, redness or peeling, reduce frequency or discontinue use and seek professional advice.\u003c\/p\u003e\n\u003ch2 class=\"text-xl font-semibold mt-7 mb-3 first:mt-0\"\u003eHighlighted Ingredients\u003c\/h2\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003e\u003cem\u003e(Based on typical 23% Vitamin C serum formulations; always confirm on your packaging.)\u003c\/em\u003e\u003c\/p\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003e23% Vitamin C (Ascorbic Acid or Derivative)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003eHigh-concentration brightener to visibly improve dark spots and overall tone.\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eProvides antioxidant protection against free radical damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003eAntioxidant Co-Actives\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003eMay include Vitamin E, ferulic acid or botanical extracts to help stabilize and enhance Vitamin C performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003eHydrating Agents (e.g., Glycerin, Hyaluronic Acid)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003eHelp maintain moisture balance so skin feels comfortable despite potent actives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003eThese components work together to brighten, even tone and support a smoother, more luminous complexion.\u003c\/p\u003e\n\u003ch2 class=\"text-xl font-semibold mt-7 mb-3 first:mt-0\"\u003eFull Ingredients\u003c\/h2\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003eAqua\/Water, Ascorbic Acid(23%), Butylene Glycol, Dimethicone, Panthenol, 3-O-Ethyl Ascorbic Acid, Squalane, Sodium Hydroxide, Caffeine, Sodium Hyaluronate, Sodium Metaphosphate, Adenosine, Acetyl Glucosamine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Tocotrienols, Tocopherol, Elaeis Guineensis (Palm) Oil, Arginine, Niacinamide, Pentylene Glycol, Glutathione, Helianthus Annuus (Sunflower) Seed Oil, Methyl Trimethicone, Carthamus Tinctorius (Safflower) Seed Oil, Camellia Japonica Seed Oil, Daucus Carota Sativa (Carrot) Root Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Beta-Carotene\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"mt-4 first:mt-0\"\u003eBecause formulas can change and concentrations vary, customers should always refer to the\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"font-semibold text-foreground\"\u003ecomplete ingredient list on the product packaging\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebefore use, especially if they have sensitive skin, rosacea, eczema or known allergies.\u003c\/p\u003e\n\u003ch2 class=\"text-xl font-semibold mt-7 mb-3 first:mt-0\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003eProduct Name: The Vitamin C 23 Serum\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eVolume: 20 g\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eProduct Type: High-strength Vitamin C brightening serum\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eKey Functions: Brightening, dark spot care, tone-evening, texture refinement, antioxidant support\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eTexture: Lightweight liquid\/serum\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eSkin Type: Normal, combination, oily (caution with dry or sensitive skin)\u003c\/li\u003e\n\u003cli class=\"leading-relaxed\"\u003eRecommended Use: Evening treatment, introduced gradually\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"text-xl font-semibold mt-7 mb-3 first:mt-0\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul class=\"list-disc space-y-0.5 mt-2 mb-5 [\u0026amp;_ul]:my-0 last:mb-0 [\u0026amp;\u0026gt;li]:ml-4 [\u0026amp;\u0026gt;li]:my-2 [\u0026amp;_ul\u0026gt;li]:ml-4 [\u0026amp;_ul\u0026gt;li]:my-1 [\u0026amp;_ul]:list-[circle] [\u0026amp;_ul_ul]:list-[square]\"\u003e\n\u003cli class=\"leading-relaxed\"\u003e1 × The Vitamin C 23 Serum (20 g)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e","brand":"COSRX","offers":[{"title":"Default Title","offer_id":45526327132207,"sku":null,"price":38.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/2206\/4175\/files\/Image1_f780f5e5-f6dc-482a-b6ba-1f7ea67ae373.webp?v=1782512479","url":"https:\/\/mapleleafapothecary.ca\/products\/cosrx-the-vitamin-c-23-serum-20g-high-strength-dark-spot-brightening-serum-1","provider":"Maple Leaf Apothecary","version":"1.0","type":"link"}