{"product_id":"cosrx-5pdrn-collagen-intense-vitalizing-serum-100ml-mirai-skin-cosrx-5pdrn-collagen-intense-vitalizing-serum-100ml","title":"COSRX 5PDRN Collagen Intense Vitalizing Serum 100ml","description":"\u003ch2\u003eCOSRX 5PDRN Collagen Intense Vitalizing Serum: PDRN and Peptides in a Large-Format Serum\u003c\/h2\u003e\n\u003cp\u003eCOSRX's entry into the PDRN category arrives with a generous 100ml bottle at $52, notably larger than most PDRN serums on the market (REJURAN Healer is 30ml at $52). The \"5PDRN\" name refers to five PDRN-adjacent actives in the formulation: standard PDRN, converted PDRN, peptides, collagen fragments, and supporting hyaluronic acid. This positions as the accessible, high-volume PDRN option for users who want daily generous application without the premium pricing of single-purpose PDRN ampoules.\u003c\/p\u003e\n\u003cp\u003eCOSRX has built a reputation on delivering derm-quality formulations at mass-market prices. The 5PDRN Serum is their take on the PDRN trend, and the value equation (5 actives, 100ml, $52) is genuinely strong. The trade-off compared to specialized PDRN brands: the PDRN concentration is lower per active, but the overall active load is spread across multiple PDRN-adjacent compounds. For daily maintenance routines, this is the right balance.\u003c\/p\u003e\n\u003ch3\u003eWhat It Does\u003c\/h3\u003e\n\u003cp\u003eStandard PDRN and converted PDRN (c-PDRN) provide regenerative signaling and collagen support. The peptide complex adds firmness signaling. Hydrolyzed collagen fragments deliver surface plumping. Multi-weight hyaluronic acid hydrates. Niacinamide supports barrier function and mild brightening. Over 6 to 10 weeks of daily use, visible firmness improvement, texture smoothing, and overall radiance support.\u003c\/p\u003e\n\u003ch3\u003eWho It's For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMature skin (30+):\u003c\/strong\u003e Primary target. Anti-aging routine builders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePDRN-curious users:\u003c\/strong\u003e Accessible entry before committing to REJURAN-tier pricing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily-use routines:\u003c\/strong\u003e Large bottle supports generous daily application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBudget-conscious anti-aging shoppers:\u003c\/strong\u003e Multiple actives at accessible pricing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombination skin:\u003c\/strong\u003e Lightweight serum suits most skin types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVolume: 100ml\u003c\/li\u003e\n\u003cli\u003ePrice: $52.00\u003c\/li\u003e\n\u003cli\u003eHero actives: PDRN, c-PDRN, peptide complex, hydrolyzed collagen, hyaluronic acid\u003c\/li\u003e\n\u003cli\u003eTexture: lightweight serum\u003c\/li\u003e\n\u003cli\u003eFragrance: very mild\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eAfter cleansing and toning, dispense 2 to 3 pumps into palms. Press onto face and neck, patting until absorbed. Use AM and PM. Follow with moisturizer. 100ml lasts approximately 3 to 4 months with twice-daily use.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch4\u003eHow does it compare to REJURAN Healer Turnover Ampoule?\u003c\/h4\u003e\n\u003cp\u003eREJURAN uses high-concentration proprietary c-PDRN with clinical pedigree from the injectable version. COSRX uses a broader PDRN-adjacent blend at lower individual concentrations. REJURAN is more potent per ml. COSRX offers more volume and lower cost. For strict PDRN maximalism: REJURAN. For daily value and routine simplicity: COSRX.\u003c\/p\u003e\n\u003ch4\u003eWhat is 5PDRN?\u003c\/h4\u003e\n\u003cp\u003eIt's COSRX's name for the five-component active blend: standard PDRN, converted PDRN, peptides, collagen fragments, and hyaluronic acid. Not all five are true PDRN in the strict salmon-derived polydeoxyribonucleotide sense; some are PDRN-adjacent or complementary. The name is marketing-heavy; the formulation is legitimate.\u003c\/p\u003e\n\u003ch4\u003eHow long until results?\u003c\/h4\u003e\n\u003cp\u003e6 to 10 weeks for visible firmness and texture improvement. Hydration benefits appear earlier (within 1 to 2 weeks). PDRN works at cellular signaling level, requiring full skin turnover cycles.\u003c\/p\u003e\n\u003ch4\u003eCan I layer with retinol?\u003c\/h4\u003e\n\u003cp\u003eYes. Apply this serum first, let absorb, then retinol as the active layer. The PDRN and peptide content actually reduces retinol irritation by supporting regeneration.\u003c\/p\u003e\n\u003ch4\u003eVegan?\u003c\/h4\u003e\n\u003cp\u003eNo. PDRN is salmon-derived. Users avoiding animal-derived ingredients should skip PDRN products and look at vegan collagen alternatives.\u003c\/p\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cp\u003ePair with COSRX Advanced Snail 96 Mucin Power Essence as a hydrating prep layer. Browse the full COSRX collection or related: PDRN products, Korean serums.\u003c\/p\u003e\n","brand":"mirai-skin","offers":[{"title":"Default Title","offer_id":51741072621856,"sku":"53823573754228","price":20.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/8333\/4432\/files\/6643c19a763d7589e27cfe33f68be844.webp?v=1779694397","url":"https:\/\/usmirai-skin.com\/products\/cosrx-5pdrn-collagen-intense-vitalizing-serum-100ml-mirai-skin-cosrx-5pdrn-collagen-intense-vitalizing-serum-100ml","provider":"usmirai-skin.com","version":"1.0","type":"link"}