{"product_id":"dermafirm-soothing-repair-toning-serum","title":"Dermafirm Soothing Repair Toning Serum","description":"\u003cp\u003eGlutathione isn't just for injections and pills anymore — Dermafirm packed it straight into a toning serum.\u003c\/p\u003e\u003cp\u003eDermafirm's R4 Soothing Repair line is built around nanoparticle-stabilized Glutathione, a lab-verified antioxidant that inhibits tyrosinase activity and helps convert stubborn dark eumelanin into lighter pheomelanin — the mechanism behind the serum's tone-evening claim. Niacinamide backs it up with extra brightening support, while natural Azulene calms flushed, stressed-out skin.\u003c\/p\u003e\u003cp\u003eBakuchiol and a peptide complex work alongside Eucalyptus and Perilla Leaf extracts to rebuild barrier function without the sting of harsher actives — this formula is designed for skin that's reactive from pollution, masks, or sun, not just skin that wants to look brighter.\u003c\/p\u003e\u003cp\u003eAs a toning serum, it slots in right after cleansing, prepping skin before the rest of your routine. Lightweight and fast-absorbing, it's for anyone dealing with uneven tone and easily irritated skin at the same time.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat does Glutathione do in this serum?\u003c\/strong\u003e\u003cbr\u003eIt's used as a nanoparticle-stabilized antioxidant that inhibits tyrosinase and helps convert dark eumelanin into lighter pheomelanin, supporting a more even skin tone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this serum suitable for sensitive skin?\u003c\/strong\u003e\u003cbr\u003eYes — the R4 line is formulated with natural Azulene and calming botanicals like Eucalyptus and Perilla Leaf to soothe flushed, stressed skin, and is made without parabens, mineral oils, or tar.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen do I use this in my routine?\u003c\/strong\u003e\u003cbr\u003eAs a toning serum, it's applied right after cleansing to prep and calm skin before the rest of your skincare steps.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does Glutathione do in this serum?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It's used as a nanoparticle-stabilized antioxidant that inhibits tyrosinase and helps convert dark eumelanin into lighter pheomelanin, supporting a more even skin tone.\"}}, {\"@type\": \"Question\", \"name\": \"Is this serum suitable for sensitive skin?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes — the R4 line is formulated with natural Azulene and calming botanicals like Eucalyptus and Perilla Leaf to soothe flushed, stressed skin, and is made without parabens, mineral oils, or tar.\"}}, {\"@type\": \"Question\", \"name\": \"When do I use this in my routine?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"As a toning serum, it's applied right after cleansing to prep and calm skin before the rest of your skincare steps.\"}}]}\u003c\/script\u003e","brand":"Dermafirm","offers":[{"title":"30毫升","offer_id":48938496196797,"sku":null,"price":268.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/4381\/8941\/files\/01_46aeb24a-f026-4729-9ea2-cf2a5e763607.png?v=1790093969","url":"https:\/\/byglowsis.com\/en\/products\/dermafirm-soothing-repair-toning-serum","provider":"by Glowsis","version":"1.0","type":"link"}