{"product_id":"tosowoong-glutathione-serum-20-000ppm-2-02-fl-oz-niacinamide-hyaluronic-acid-for-brightening-and-hydration","title":"TOSOWOONG Glutathione Serum 20,000ppm 2.02 fl. oz. — Niacinamide \u0026 Hyaluronic Acid for Brightening and Hydration","description":"\u003cp\u003e\u003cstrong\u003eTOSOWOONG Glutathione Serum is a concentrated Korean skincare formula combining 20,000ppm glutathione with niacinamide and hyaluronic acid to brighten, hydrate, and support smoother-looking skin.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for nightly or daytime layering, this 2.02 fl. oz. serum blends a high-concentration antioxidant with proven hydrators to address uneven tone and surface texture without heavy oils. The formula emphasizes a high-purity glutathione (reported 99% purity) alongside niacinamide to help the complexion appear more even and hyaluronic acid to attract and retain moisture for plumper skin feel.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this serum fit into my routine?\u003c\/h3\u003e\n\u003cp\u003eApply after cleansing and toning, before thicker creams or sunscreens, for best absorption. Use a few drops to cover the face and neck; pat gently until fully absorbed. It layers well under moisturizers and makeup when allowed to settle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse morning and\/or night after water-based treatments\u003c\/li\u003e\n  \u003cli\u003eStart with 2–3 drops, increase if tolerated\u003c\/li\u003e\n  \u003cli\u003eFollow with moisturizer and SPF in the morning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat active ingredients are in the formula and what do they do?\u003c\/h3\u003e\n\u003cp\u003eThe serum centers on high-concentration glutathione (20,000ppm) aimed at delivering antioxidant support and helping the skin surface look clearer. Niacinamide helps balance tone and texture while hyaluronic acid supplies multi-depth hydration to reduce the look of fine lines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGlutathione (20,000ppm, high purity) for antioxidant support\u003c\/li\u003e\n  \u003cli\u003eNiacinamide to help with visible uneven tone and smoothness\u003c\/li\u003e\n  \u003cli\u003eHyaluronic acid to attract moisture and improve skin plumpness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this product suit sensitive or reactive skin?\u003c\/h3\u003e\n\u003cp\u003eThe formula avoids heavy oils and is designed for rapid absorption, but high actives can still cause irritation on very reactive skin. Patch-test on the inner forearm for 48 hours before full face use, and introduce gradually—every other day—if you have sensitivity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePatch-test to check tolerance before daily use\u003c\/li\u003e\n  \u003cli\u003eIf redness or discomfort occurs, discontinue and consult a dermatologist\u003c\/li\u003e\n  \u003cli\u003eLayer with gentle, fragrance-free moisturizers to minimize irritation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow quickly can I expect to notice changes?\u003c\/h3\u003e\n\u003cp\u003eImprovements in skin hydration and temporary smoothing can be noticeable within days due to hyaluronic acid. Changes in tone and overall radiance from glutathione and niacinamide usually develop with consistent use over several weeks. Individual results depend on skin type and concurrent products.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHydration and smoother texture: days to 2 weeks\u003c\/li\u003e\n  \u003cli\u003eNoticeable tone and radiance shifts: several weeks of regular use\u003c\/li\u003e\n  \u003cli\u003eBest results when used consistently with sun protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: this serum is suited to people seeking a potent, water-based treatment to improve hydration, even out skin tone, and support a more radiant complexion. It fits well into streamlined K‑beauty routines for normal, combination, and oily skin types, and can be introduced cautiously by those with sensitive skin after patch-testing. Ideal for anyone looking for a concentrated antioxidant boost with added niacinamide and hyaluronic acid in a single 2.02 fl. oz. package.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eNiacinamide, Glutathione, Adenosine, Glycerin, Coconut Oil, Hyaluronic Acid\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 this serum with retinol?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—use them on alternate nights or apply the serum in the morning and retinol at night to reduce irritation risk.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this safe under makeup?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—the lightweight texture absorbs quickly and layers well under moisturizers and foundation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TOSOWOONG","offers":[{"title":"Default Title","offer_id":49631793512586,"sku":"B0DNJNVDG9","price":98.16,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/4825\/6394\/files\/tosowoong-front-packaging-glutathione-serum.jpg?v=1782952780","url":"https:\/\/auviraskincare.com\/products\/tosowoong-glutathione-serum-20-000ppm-2-02-fl-oz-niacinamide-hyaluronic-acid-for-brightening-and-hydration","provider":"Auvira Beauty","version":"1.0","type":"link"}