{"product_id":"double-glutathione-brightening-serum-dark-spots-even-skin-tone","title":"Double Glutathione Serum – Brighten, Even Skin Tone \u0026 Dark Spots","description":"\n\u003cp\u003eReveal visibly brighter, more radiant skin with the \u003cstrong\u003eHoygi Double Glutathione Brightening Serum\u003c\/strong\u003e — a powerhouse 100ml face serum formulated with \u003cstrong\u003eGlutathione, Niacinamide, and Retinol\u003c\/strong\u003e to target dark spots, uneven skin tone, and dullness. Suitable for all skin types and designed for both day and night use, this lightweight, fast-absorbing serum delivers a double-dose of brightening and moisturizing benefits in every drop.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThese statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhy You'll Love This Serum\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDouble Glutathione Brightening:\u003c\/strong\u003e Two forms of glutathione work synergistically to fight pigmentation, reduce dark spots, and restore a translucent, luminous complexion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEven Skin Tone:\u003c\/strong\u003e Niacinamide helps visibly reduce discolouration and uneven patches, giving skin a smooth, balanced appearance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRetinol-Powered Renewal:\u003c\/strong\u003e Retinol promotes cell turnover, firms the skin, and helps restore a youthful, elastic texture.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeep Hydration:\u003c\/strong\u003e Replenishes moisture levels and combats dryness without a greasy finish — the light, watery texture absorbs instantly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil Control:\u003c\/strong\u003e Balances sebum production for a shine-free, comfortable feel throughout the day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-Irritating Formula:\u003c\/strong\u003e Free from harsh high-concern chemicals and gentle enough for sensitive and all skin types.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDay \u0026amp; Night Use:\u003c\/strong\u003e Versatile formula balances brightening and moisturising, so you can incorporate it into any routine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Ingredients\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGlutathione (Double Dose):\u003c\/strong\u003e A potent antioxidant that inhibits melanin production, fades dark spots, and promotes overall skin luminosity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNiacinamide (Vitamin B3):\u003c\/strong\u003e Evens skin tone, minimises pores, and strengthens the skin barrier.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRetinol:\u003c\/strong\u003e Speeds up cell renewal, smooths fine lines, and enhances skin firmness.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Hoygi\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 100ml\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFormulation:\u003c\/strong\u003e Liquid Serum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSkin Type:\u003c\/strong\u003e All Skin Types (Unisex)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShelf Life:\u003c\/strong\u003e 3 Years\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Store in a cool, dry place away from direct sunlight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eCleanse and tone your face thoroughly.\u003c\/li\u003e\n  \u003cli\u003eApply 2–3 drops of the serum to your fingertips.\u003c\/li\u003e\n  \u003cli\u003eGently press and pat onto the face and neck, focusing on dark spots and uneven areas.\u003c\/li\u003e\n  \u003cli\u003eFollow with your moisturiser. Use morning and\/or evening for best results.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eExplore More Skincare Favourites\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/2-percent-bha-salicylic-acid-acne-serum-pore-clear-dark-spots\"\u003e2% BHA Salicylic Acid Acne Serum – Pores, Dark Spots \u0026amp; Glow\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/salicylic-acid-hydrocolloid-acne-patches-144pcs-invisible-pimple-patches\"\u003e144pcs Salicylic Acid Hydrocolloid Acne Patches – Invisible Pimple Patch\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bamboo-charcoal-oil-blotting-sheets-oily-skin-100pcs\"\u003e100pcs Bamboo Charcoal Oil Blotting Sheets – Oily Skin\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eLearn More About Skin Brightening Ingredients\u003c\/h2\u003e\n\u003cp\u003eFor evidence-based information on skincare ingredients like niacinamide and retinol, visit the National Institutes of Health – Niacinamide in Skin Care Research.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Face_washing\" target=\"_blank\" rel=\"noopener\"\u003eFace washing\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the Double Glutathione Serum do for dark spots?\u003c\/h4\u003e\n\u003cp\u003eA: The Double Glutathione Serum uses two forms of glutathione combined with niacinamide and retinol to inhibit melanin production, fade existing dark spots, and prevent new pigmentation from forming — revealing a clearer, more even complexion over time.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this brightening serum suitable for sensitive skin?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The Hoygi Double Glutathione Serum is formulated with a mild, non-irritating formula that contains no high-concern chemicals, making it suitable for all skin types including sensitive skin. If you have particularly reactive skin, we recommend doing a patch test before full application.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this glutathione serum both day and night?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The serum is designed for day and night use. Its lightweight, fast-absorbing texture means it layers comfortably under moisturiser and SPF in the morning, or works as a nourishing overnight treatment when used in the evening.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does one bottle of the 100ml serum last?\u003c\/h4\u003e\n\u003cp\u003eA: With regular twice-daily use of 2–3 drops per application, a 100ml bottle typically lasts 2–3 months. The 3-year shelf life means you can stock up without worrying about the product expiring.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the Double Glutathione Serum do for dark spots?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Double Glutathione Serum uses two forms of glutathione combined with niacinamide and retinol to inhibit melanin production, fade existing dark spots, and prevent new pigmentation from forming — revealing a clearer, more even complexion over time.\"}}, {\"@type\": \"Question\", \"name\": \"Is this brightening serum suitable for sensitive skin?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The Hoygi Double Glutathione Serum is formulated with a mild, non-irritating formula that contains no high-concern chemicals, making it suitable for all skin types including sensitive skin. 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The 3-year shelf life means you can stock up without worrying about the product expiring.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Serums \u0026 Essences\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/collections\/serums-essences\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Double Glutathione Serum – Brighten, Even Skin Tone \u0026 Dark Spots\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/products\/double-glutathione-brightening-serum-dark-spots-even-skin-tone\"}]}\u003c\/script\u003e","brand":"Zpaxo","offers":[{"title":"100ml Boxed","offer_id":54156539855158,"sku":"200000581:200006902#100ml Boxed","price":15.76,"currency_code":"USD","in_stock":true},{"title":"2 x 100ml Boxed","offer_id":54156539887926,"sku":"200000581:200008193#2 x 100ml Boxed","price":29.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/7774\/3158\/files\/S08fdabcf55384b909c163d306107e8a1z.webp?v=1782452038","url":"https:\/\/0i45ne-c8.myshopify.com\/products\/double-glutathione-brightening-serum-dark-spots-even-skin-tone","provider":"Zpaxo","version":"1.0","type":"link"}