{"product_id":"round-lab-vita-niacinamide-dark-spot-serum-30ml-mirai-skin-round-lab-vita-niacinamide-dark-spot-serum-30ml","title":"Round Lab Vita Niacinamide Dark Spot Serum 30ml","description":"\u003ch2\u003eRound Lab Vita Niacinamide Dark Spot Serum: Niacinamide-Forward Brightening\u003c\/h2\u003e\n\u003cp\u003eRound Lab's Vita Niacinamide Dark Spot Serum combines niacinamide at meaningful concentration with additional brightening actives (vitamin C derivatives, alpha-arbutin) for a multi-pathway approach to hyperpigmentation. At $38.80 for 30ml, this is mid-premium Korean serum pricing, appropriate for a multi-active brightening formulation. The serum is part of Round Lab's Vita line, distinct from the hydration-focused 1025 Dokdo and anti-aging Camellia lines.\u003c\/p\u003e\n\u003cp\u003eNiacinamide at 5% to 10% is the dermatology-reference concentration for melanin-transfer inhibition and tone evening. Combined with vitamin C derivatives (faster-acting brightening) and alpha-arbutin (a gentler alternative to hydroquinone), the formula attacks hyperpigmentation from multiple angles. This multi-pathway approach is more effective on stubborn PIH and melasma than single-ingredient brighteners.\u003c\/p\u003e\n\u003ch3\u003eWhat It Does\u003c\/h3\u003e\n\u003cp\u003eNiacinamide blocks melanin transfer from melanocytes to keratinocytes while reducing inflammation. Vitamin C derivatives provide antioxidant protection and inhibit tyrosinase. Alpha-arbutin offers gentler tyrosinase inhibition suitable for continuous use. Combined over 8 to 12 weeks, expect fading of hyperpigmentation, evening of overall skin tone, and brighter complexion. Results compound rather than dramatic.\u003c\/p\u003e\n\u003ch3\u003eWho It's For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePost-acne hyperpigmentation:\u003c\/strong\u003e Multi-pathway effective on stubborn PIH.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall dull, uneven tone:\u003c\/strong\u003e Niacinamide baseline plus brighteners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMelasma maintenance:\u003c\/strong\u003e Safer than hydroquinone for long-term use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitamin C intolerant users:\u003c\/strong\u003e Niacinamide-forward as alternative.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitive skin brightening:\u003c\/strong\u003e Niacinamide is gentler than acids.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolume: 30ml\u003c\/li\u003e\n\u003cli\u003ePrice: $38.80\u003c\/li\u003e\n\u003cli\u003eHero actives: niacinamide, vitamin C derivatives, alpha-arbutin\u003c\/li\u003e\n\u003cli\u003eTexture: lightweight watery serum\u003c\/li\u003e\n\u003cli\u003eFragrance: mild\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eApply 3 to 4 drops morning and night after toner. Pat into skin. Follow with moisturizer. SPF is critical in morning. For acclimation: start once daily for the first week; niacinamide is well-tolerated but acid derivatives may cause mild tingling initially.\u003c\/p\u003e\n\u003cp\u003eFor targeted spot focus: apply an extra drop to specific dark spots and pat to concentrate. Layer with other pigmentation-focused treatments (retinol, AHA, medicube Vita C patches).\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eWhat's the niacinamide concentration?\u003c\/h4\u003e\n\u003cp\u003eRound Lab hasn't published the exact percentage. Based on formulation review, it's in the 5% range, which is dermatology-effective without the flushing some users experience at 10%.\u003c\/p\u003e\n\u003ch4\u003eCan I use it with retinol?\u003c\/h4\u003e\n\u003cp\u003eYes, at different times. Niacinamide serum in the morning, retinol at night. Or layer niacinamide first as a buffer, then retinol.\u003c\/p\u003e\n\u003ch4\u003eIs niacinamide really effective on its own?\u003c\/h4\u003e\n\u003cp\u003eYes, with time. Niacinamide is one of the best-studied brightening actives and is reliable at 5% for PIH fading. The multi-active approach here accelerates results compared to niacinamide alone.\u003c\/p\u003e\n\u003ch4\u003eHow long until I see results?\u003c\/h4\u003e\n\u003cp\u003eSubtle brightness: 2 to 4 weeks. Significant PIH fading: 8 to 12 weeks.\u003c\/p\u003e\n\u003ch4\u003eHow long does 30ml last?\u003c\/h4\u003e\n\u003cp\u003e2 to 3 months of twice-daily use.\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003ePair with Round Lab Camellia Deep Collagen Firming Ampoule for evening anti-aging, or use alongside Round Lab Baby Mild Sun Stick for critical daily SPF.\u003c\/p\u003e\n\u003cp\u003eBrowse the full Round Lab collection or related: Korean serums, Korean brightening products.\u003c\/p\u003e\n","brand":"mirai-skin","offers":[{"title":"Default Title","offer_id":51741084320032,"sku":"53812871201140","price":15.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/8333\/4432\/files\/2883a2950bb2cca3edc13db89ceefa26.webp?v=1779694740","url":"https:\/\/usmirai-skin.com\/products\/round-lab-vita-niacinamide-dark-spot-serum-30ml-mirai-skin-round-lab-vita-niacinamide-dark-spot-serum-30ml","provider":"usmirai-skin.com","version":"1.0","type":"link"}