{"product_id":"obagi-medical-professional-c-serum-20-vitamin-c-facial-serum-1-0-fl-oz-high-strength-l-ascorbic-acid-for-normal-to-oily-skin","title":"Obagi Medical Professional C Serum 20% Vitamin C Facial Serum, 1.0 fl oz — High‑Strength L‑Ascorbic Acid for Normal to Oily Skin,","description":"\u003cp\u003e\u003cstrong\u003eObagi Professional C Serum 20% is a high-strength L-ascorbic acid facial serum formulated to deliver concentrated vitamin C for improving skin tone, texture, and visible signs of aging.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 1.0 fl oz serum from Obagi Medical brings a 20% concentration of pure L-ascorbic acid in a delivery system designed for deeper penetration and enhanced stability. It is made for normal to oily skin types but provides hydration and antioxidant support that can help reduce the appearance of texture irregularities and uneven tone. The formula is intended to complement daily skincare routines by working with sunscreen and other treatments to preserve skin appearance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this 20% vitamin C serum affect skin tone and texture?\u003c\/h3\u003e\n\u003cp\u003eThe concentrated L-ascorbic acid targets areas of discoloration and uneven texture by promoting surface renewal and supporting the skin’s natural defenses. Regular use can help even out the look of skin tone while providing lightweight hydration suitable for normal to oily skin.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e20% L-ascorbic acid concentration for visible brightening effects\u003c\/li\u003e\n  \u003cli\u003eSuperior delivery system for deeper ingredient penetration\u003c\/li\u003e\n  \u003cli\u003eFormulated to improve skin texture and tone without heavy oils\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this serum work with my daily sunscreen and other treatments?\u003c\/h3\u003e\n\u003cp\u003eYes — vitamin C serums are commonly used in morning routines beneath broad-spectrum SPF to provide antioxidant support against environmental stressors. Because the Obagi Professional C Serum is a potent pure L-ascorbic acid formula, apply sunscreen after it fully absorbs and avoid combining it with other strong actives without professional guidance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply on clean skin, allow absorption, then follow with sunscreen\u003c\/li\u003e\n  \u003cli\u003eCompatible with many moisturizers; use caution with retinoids or acids\u003c\/li\u003e\n  \u003cli\u003eRecommended to patch-test when combining multiple active treatments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I introduce a 20% vitamin C serum into my routine safely?\u003c\/h3\u003e\n\u003cp\u003eStart by using the serum every other day or every third day, then increase frequency as tolerated to daily use. Because the formula is highly concentrated, begin with small amounts and observe skin response, especially if you have reactive or sensitive skin.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBegin with a small pea-sized amount, applied to face and neck\u003c\/li\u003e\n  \u003cli\u003eUse morning or evening; pair with gentle cleansers and hydrators\u003c\/li\u003e\n  \u003cli\u003eDiscontinue or reduce use if persistent irritation occurs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and formulation features set this formula apart?\u003c\/h3\u003e\n\u003cp\u003eObagi’s Professional C Serum 20% combines a high dose of L-ascorbic acid with a delivery system designed for enhanced skin penetration. The lightweight texture absorbs quickly, delivering hydration while aiming to support firmness and overall skin appearance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConcentrated 20% L-ascorbic acid for antioxidant support\u003c\/li\u003e\n  \u003cli\u003eSuperior delivery system for improved ingredient penetration\u003c\/li\u003e\n  \u003cli\u003eDesigned to support collagen-stimulating pathways and skin firmness\u003c\/li\u003e\n  \u003cli\u003eSuitable for normal to oily skin, with hydrating properties for balance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Obagi Professional C Serum 20% is intended for adults with normal to oily skin who want a high-strength vitamin C treatment to address uneven tone, surface texture, and early signs of aging without a heavy or oily finish. If your skin is very sensitive or you use multiple high-strength actives, consult a skincare professional for tailored advice. Incorporate the serum gradually, pair it with daily SPF, and store it according to instructions to maintain potency.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003ePropylene glycol, water, L-ascorbic acid, alcohol, ascorbyl glucoside, ethoxydiglycol, phenoxyethanol, sorbitol, sodium hyaluronate, zinc chloride, calcium hydroxide, fragrance\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is Obagi Professional C Serum 20% suitable for sensitive skin?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It can be used on sensitive skin with caution; start every other day and patch-test. Consult a dermatologist if you have reactive skin.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: When should I apply this vitamin C serum?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply after cleansing and before moisturizer; use sunscreen in the morning. Start with small amounts and increase frequency as tolerated.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":49622712352906,"sku":"B00F6XZZMY","price":358.51,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/4825\/6394\/files\/obagi-professional-c-serum-20-front-packaging.jpg?v=1782873772","url":"https:\/\/auviraskincare.com\/products\/obagi-medical-professional-c-serum-20-vitamin-c-facial-serum-1-0-fl-oz-high-strength-l-ascorbic-acid-for-normal-to-oily-skin","provider":"Auvira Beauty","version":"1.0","type":"link"}