{"product_id":"hisenrain-vitamin-c-retinol-hyaluronic-acid-serum-duo","title":"HISENRAIN Vitamin C Retinol Hyaluronic Acid Serum Duo","description":"\n\u003cp\u003eElevate your daily skincare routine with the \u003cstrong\u003eHISENRAIN Vitamin C + Retinol + Hyaluronic Acid Serum Duo\u003c\/strong\u003e — a powerhouse combo designed to brighten, firm, and deeply hydrate all skin types. This CPNP-certified duo pairs two expertly formulated serums to target uneven tone, visible fine lines, enlarged pores, and dullness in one cohesive regimen.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003e*These 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\u003chr\u003e\n\n\u003ch2\u003e✨ Why You'll Love This Duo\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVitamin C Serum\u003c\/strong\u003e — Delivers a luminous, even-toned complexion by targeting dark spots and dullness while defending skin from everyday environmental stressors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRetinol + Hyaluronic Acid Serum\u003c\/strong\u003e — A age-defying formula that supports skin cell renewal, visibly smooths fine lines, and floods skin with long-lasting moisture.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTriple Active Ingredients\u003c\/strong\u003e — Vitamin C, Retinol, and Hyaluronic Acid work synergistically for a comprehensive brightening, firming, and hydrating effect.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAll Skin Types\u003c\/strong\u003e — Lightweight, fast-absorbing oil-essence formula suitable for all skin types including combination, oily, dry, and sensitive-leaning skin.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOil-Control \u0026amp; Pore-Minimizing\u003c\/strong\u003e — Helps manage excess sebum and visibly reduces the appearance of enlarged pores for a refined, matte-smooth finish.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCPNP Certified\u003c\/strong\u003e — Tested and certified under the Cosmetic Products Notification Portal for your confidence and peace of mind.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals\u003c\/strong\u003e — Formulated without high-concern ingredients for a cleaner, safer daily use experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e📋 Key Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHISENRAIN\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCPNP\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKey Ingredients\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVitamin C, Retinol, Hyaluronic Acid\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOil-Essence\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuitable For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAll Skin Types \/ Unisex\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Pieces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 (Combo Set)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShelf Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e🧴 How to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eCleanse your face thoroughly and pat dry.\u003c\/li\u003e\n  \u003cli\u003eApply a thin layer of your chosen serum to your face.\u003c\/li\u003e\n  \u003cli\u003eGently massage using upward circular motions until fully absorbed.\u003c\/li\u003e\n  \u003cli\u003eUse daily, morning and\/or evening, for best visible results over time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTip:\u003c\/strong\u003e Use the Vitamin C Serum in the morning for brightening protection, and the Retinol + Hyaluronic Acid Serum at night for overnight renewal.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Caution:\u003c\/strong\u003e For external use only. Avoid contact with eyes. If you experience an allergic reaction or have sensitive skin concerns, consult a dermatologist or skincare professional before use.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003e🔗 You May Also Like\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-5mm-mini-pocket-gel-pen-quick-dry-waterproof-10-refills\"\u003e0.5mm Mini Pocket Gel Pen – Quick Dry, Waterproof \u0026amp; 10 Refills\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/temporary-tattoo-markers-dual-end-10-colors-body-face-paint-pens\"\u003e10 Dual-End Temporary Tattoo Markers – Body \u0026amp; Face Paint Pens\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on skincare ingredients and their benefits, visit the \u003ca href=\"https:\/\/www.fda.gov\/cosmetics\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eFDA's Cosmetics resource page\u003c\/a\u003e or explore research on \u003ca href=\"https:\/\/ods.od.nih.gov\/factsheets\/VitaminC-Consumer\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eVitamin C from the NIH Office of Dietary Supplements\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: Can I use the Vitamin C and Retinol Hyaluronic Acid serums together in the same routine?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! For best results, we recommend using the Vitamin C Serum in the morning to brighten skin and protect it throughout the day, and the Retinol + Hyaluronic Acid Serum in the evening to support skin renewal and deep hydration overnight. Alternating them this way maximizes the benefits of each formula without overloading your skin.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the HISENRAIN Serum Duo suitable for sensitive or oily skin?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This duo is formulated for all skin types, including oily, combination, dry, and sensitive-leaning skin. The lightweight, fast-absorbing oil-essence texture helps control excess sebum and minimizes the appearance of pores, making it a great option for those with oilier or combination skin. If you have highly reactive skin, we recommend doing a patch test first.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does it take to see visible results?\u003c\/h4\u003e\n\u003cp\u003eA: With consistent daily use, most users begin to notice a more radiant, hydrated, and smoother-looking complexion within 4–6 weeks. For optimal long-term results, daily use over several months is recommended. Individual results may vary depending on skin type and starting condition.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this product CPNP certified and safe for daily use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the HISENRAIN Serum Duo holds CPNP (Cosmetic Products Notification Portal) certification, confirming it meets the safety standards required for cosmetic products. It contains no high-concern chemicals and is manufactured with a 3-year shelf life, making it safe and reliable for daily skincare use.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can I use the Vitamin C and Retinol Hyaluronic Acid serums together in the same routine?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! For best results, we recommend using the Vitamin C Serum in the morning to brighten skin and protect it throughout the day, and the Retinol + Hyaluronic Acid Serum in the evening to support skin renewal and deep hydration overnight. Alternating them this way maximizes the benefits of each formula without overloading your skin.\"}}, {\"@type\": \"Question\", \"name\": \"Is the HISENRAIN Serum Duo suitable for sensitive or oily skin?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. 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It contains no high-concern chemicals and is manufactured with a 3-year shelf life, making it safe and reliable for daily skincare use.\"}}]}\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:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Face Serums\", \"item\": \"https:\/\/oasis-select.com\/collections\/face-serums\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"HISENRAIN Vitamin C Retinol Hyaluronic Acid Serum Duo\", \"item\": \"https:\/\/oasis-select.com\/products\/hisenrain-vitamin-c-retinol-hyaluronic-acid-serum-duo\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"30ml-ACH","offer_id":47742015832169,"sku":"200000581:200006902#30ml-ACH","price":17.08,"currency_code":"USD","in_stock":true},{"title":"60ml-ACH","offer_id":47742015864937,"sku":"200000581:200008193#60ml-ACH","price":17.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S83b20c3dfd8244b5b5508b41d1183c8a8.webp?v=1782999259","url":"https:\/\/oasis-select.com\/products\/hisenrain-vitamin-c-retinol-hyaluronic-acid-serum-duo","provider":"Oasis Select","version":"1.0","type":"link"}