{"title":"Obagi Vitamin C Serums","description":"\u003cp\u003eThe Obagi Professional-C serum range delivers pure L-ascorbic acid at clinical concentrations — 10%, 15%, and 20%. These are among the most potent vitamin C serums available, providing antioxidant protection, collagen stimulation, and visible brightening of uneven skin tone.\u003c\/p\u003e\u003cp\u003eAvailable in three strengths to suit your skin's tolerance and goals.\u003c\/p\u003e","products":[{"product_id":"obagi-professional-c-10-serum-30ml","title":"Obagi Professional-C 10% Serum 30ml","description":"\u003cp\u003eObagi Professional-C 10% Serum delivers L-ascorbic acid at a concentration appropriate for patients with sensitive skin or those new to topical vitamin C. L-ascorbic acid is the biologically active form of vitamin C and the most extensively studied topical antioxidant — at 10%, it provides meaningful photoprotective and brightening benefits while remaining within the tolerance threshold of reactive or sensitised complexions. It functions as both a standalone antioxidant and as a preparatory step before advancing to higher concentrations.\u003c\/p\u003e\n\u003ch3\u003eWhat it does:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDelivers 10% L-ascorbic acid in a stable, low-pH vehicle — providing antioxidant defence against UV-induced free radical damage when used alongside SPF\u003c\/li\u003e\n\u003cli\u003eSupports collagen synthesis through fibroblast stimulation, contributing to firmer, more resilient skin over consistent long-term use\u003c\/li\u003e\n\u003cli\u003eInhibits tyrosinase activity, reducing melanin overproduction and gradually improving uneven skin tone and post-inflammatory discolouration\u003c\/li\u003e\n\u003cli\u003eEntry-level concentration minimises the tingling and transient erythema that higher-strength vitamin C can provoke in sensitised or reactive skin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Patients with sensitive, reactive, or rosacea-prone skin who are introducing topical vitamin C for the first time, or those building toward higher-concentration formulations.\u003c\/p\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":63637588115805,"sku":"OBA-PC10-30","price":125.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1051\/2839\/5101\/files\/serum-box.png?v=1777331573"},{"product_id":"obagi-professional-c-15-serum-30ml","title":"Obagi Professional-C 15% Serum 30ml","description":"\u003cp\u003eObagi Professional-C 15% Serum positions L-ascorbic acid at a mid-range concentration — offering greater antioxidant potency and faster photoprotective benefit than the 10% without the tolerance demands of the 20% formulation. It suits patients who have acclimatised to lower vitamin C concentrations and are ready to intensify their antioxidant and brightening programme. The same stable, low-pH delivery system ensures bioavailability without compromising product integrity.\u003c\/p\u003e\n\u003ch3\u003eWhat it does:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDelivers 15% L-ascorbic acid in a clinically validated vehicle — increasing antioxidant activity and photoprotection compared to the 10% formulation\u003c\/li\u003e\n\u003cli\u003eAccelerates collagen synthesis at a higher dose threshold, contributing to visible improvement in skin firmness, fine lines, and structural integrity\u003c\/li\u003e\n\u003cli\u003eEnhances melanin suppression through more sustained tyrosinase inhibition — producing faster and more pronounced brightening outcomes than lower concentrations\u003c\/li\u003e\n\u003cli\u003eSuitable as a progressive step for patients transitioning upward within the Professional-C range or seeking more efficient results from their antioxidant serum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Patients with normal to combination skin who have established tolerance to vitamin C and are targeting photodamage, dullness, or moderate hyperpigmentation with a clinically effective mid-strength formulation.\u003c\/p\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":63637588410717,"sku":"OBA-PC15-30","price":145.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1051\/2839\/5101\/files\/ProC-Serum15_bottle-box_2015.png?v=1777331591"},{"product_id":"obagi-professional-c-20-serum-30ml","title":"Obagi Professional-C 20% Serum 30ml","description":"\u003cp\u003eThe strongest vitamin C serum Obagi makes. At 20% pure L-ascorbic acid in a stable, low-pH formulation engineered to penetrate the dermis, Professional-C 20% delivers the most potent antioxidant protection and brightening activity available in the range. This concentration sits at the upper threshold of what clinical research shows to be effective for topical vitamin C — beyond which additional concentration yields diminishing returns.\u003c\/p\u003e\n\u003ch3\u003eWhat it does:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum-strength antioxidant protection against UV-induced free radical damage\u003c\/li\u003e\n\u003cli\u003eVisible brightening and pigmentation correction, typically from 4 weeks of consistent use\u003c\/li\u003e\n\u003cli\u003eStimulates dermal collagen synthesis at the highest effective dose\u003c\/li\u003e\n\u003cli\u003eEnhances skin radiance, luminosity, and overall tone clarity\u003c\/li\u003e\n\u003cli\u003eSynergistic protection when paired with broad-spectrum SPF\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Experienced vitamin C users with normal to oily skin who have established tolerance at 10% or 15% and want the maximum clinical benefit. Particularly effective for patients targeting photodamage, stubborn pigmentation, and advanced collagen support. If 20% causes irritation, step back to the \u003ca href=\"\/products\/obagi-professional-c-15-serum-30ml\"\u003e15% formulation\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e Apply 5–7 drops to clean, dry skin each morning. Allow to absorb for 1–2 minutes before layering moisturiser and SPF. Store in a cool, dark place. Discard if the serum turns dark brown or orange.\u003c\/p\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":63637588771165,"sku":"OBA-PC20-30","price":170.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1051\/2839\/5101\/files\/ProC-Serums-Cartons_Group_BlackTops_2015.png?v=1777331587"},{"product_id":"obagi-clenziderm-m-d-therapeutic-lotion-47ml","title":"Obagi CLENZIderm M.D. Therapeutic Lotion 47ml","description":"\u003cp\u003eStep 3 of the CLENZIderm M.D. acne protocol — the core treatment product. This lightweight lotion delivers 5% solubilised benzoyl peroxide (BPO) directly into the follicle where acne-causing C. acnes bacteria reside. Unlike standard BPO products that sit on the surface, CLENZIderm's patented delivery technology ensures the active reaches bacteria inside the pore.\u003c\/p\u003e\u003ch3\u003eClinical Results:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e87%\u003c\/strong\u003e reported the CLENZIderm system was effective or very effective\u003c\/li\u003e\n\u003cli\u003eResults seen as early as \u003cstrong\u003eweek 1\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eBacteria \u003cstrong\u003ecannot develop resistance\u003c\/strong\u003e to benzoyl peroxide (unlike antibiotics)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat it does:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e5% solubilised BPO penetrates into the follicle to kill acne-causing bacteria at the source\u003c\/li\u003e\n\u003cli\u003ePatented delivery technology makes it significantly more effective than standard BPO washes\u003c\/li\u003e\n\u003cli\u003eLightweight lotion texture that doubles as a light moisturiser\u003c\/li\u003e\n\u003cli\u003eHelps prevent future breakouts with continued use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eActive acne requiring antibacterial treatment\u003c\/li\u003e\n\u003cli\u003eStep 3 of the CLENZIderm M.D. protocol (PM)\u003c\/li\u003e\n\u003cli\u003eThose who have found standard benzoyl peroxide products ineffective\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e Apply a thin layer in the evening after Pore Therapy. Can also be used as a spot treatment on emerging breakouts.\u003c\/p\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":64099676619101,"sku":null,"price":100.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1051\/2839\/5101\/files\/clenzderm-therapeutic-lotion-MD-47-ml-resize.jpg?v=1777331540"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1051\/2839\/5101\/collections\/ProC-Serums-Cartons_Group_BlackTops_2015.png?v=1775267154","url":"https:\/\/stratumclinic.co.uk\/collections\/obagi-vitamin-c-serums.oembed","provider":"Stratum Clinic","version":"1.0","type":"link"}