{"product_id":"obagi-medical-professional-c-serum-20-vitamin-c-facial-serum-1-fl-oz-lightweight-fast-absorbing-for-normal-to-oily-skin","title":"Obagi Medical Professional-C Serum 20% Vitamin C Facial Serum, 1 fl oz — Lightweight, Fast-Absorbing 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 support smoother-looking skin texture and a more even tone.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis concentrated 20% vitamin C formula from Obagi Medical is designed for people with normal to oily skin who want a potent antioxidant topical treatment. The serum uses a superior delivery system to help the active ingredient penetrate the skin and supports resilience and hydration without heavy oils. Its lightweight, fast-absorbing finish makes it easy to layer under sunscreen or makeup in morning routines, while targeted nightly use can complement existing regimens.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this 20% vitamin C serum fit into my daily routine?\u003c\/h3\u003e\n\u003cp\u003eApply a few drops after cleansing and toning, before moisturizer and sunscreen in the morning, or at night in place of or before your moisturizer depending on tolerance. Start gradually if you’re new to high-concentration vitamin C to minimize irritation. Pairing with a broad-spectrum sunscreen is recommended when using antioxidant serums during daytime.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse 2–3 drops per application to cover face and neck.\u003c\/li\u003e\n  \u003cli\u003eStart every other day, then increase to daily as tolerated.\u003c\/li\u003e\n  \u003cli\u003eLayer under moisturizer and SPF for daytime protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat skin concerns can this serum help address?\u003c\/h3\u003e\n\u003cp\u003eThe formulation aims to improve the look of uneven tone and texture while supporting skin’s natural defenses against daily environmental stressors. Because it’s L-ascorbic acid at a high concentration, it targets surface irregularities and provides a brightening effect over time. Results depend on consistent use and complementary skincare habits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps reduce the appearance of skin discoloration and uneven tone.\u003c\/li\u003e\n  \u003cli\u003eSupports smoother-looking texture and hydrated-feeling skin.\u003c\/li\u003e\n  \u003cli\u003eDesigned to enhance collagen-supporting pathways for firmer appearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs Obagi Professional-C Serum 20% suitable for sensitive or oily skin?\u003c\/h3\u003e\n\u003cp\u003eThis serum is formulated to be suitable for a range of skin types, including normal to oily, and the product information indicates compatibility with sensitive or reactive skin when used appropriately. People with high sensitivity should patch-test first and introduce the product slowly. If irritation occurs, reduce frequency or consult a skincare professional.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLightweight, non-greasy texture works well for oilier skin types.\u003c\/li\u003e\n  \u003cli\u003ePatch-test on inner wrist or jawline before full-face use.\u003c\/li\u003e\n  \u003cli\u003eReduce use frequency if redness or stinging appears.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I store and handle a concentrated vitamin C serum?\u003c\/h3\u003e\n\u003cp\u003eVitamin C serums are best kept in cool, dark places to preserve potency; many come in opaque or amber bottles to reduce light exposure. Close the bottle tightly after each use and avoid leaving it in direct sunlight or high heat. If the serum changes color significantly or develops a strong odor, replace it to ensure effectiveness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKeep bottle tightly sealed and store away from heat and light.\u003c\/li\u003e\n  \u003cli\u003eUse within the recommended period after opening to maintain strength.\u003c\/li\u003e\n  \u003cli\u003eDiscard if color or scent changes markedly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Obagi Professional-C Serum 20% suits adults seeking a potent topical antioxidant to support more even skin tone and improved texture, especially those with normal to oily skin who can tolerate a concentrated L-ascorbic acid formulation. It is a fit for users who want a fast-absorbing serum to layer under sunscreen and moisturizer, and for anyone building a targeted daytime antioxidant step into their skincare routine. If you have very reactive skin, consult a dermatologist or introduce the product slowly with patch testing.\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: How often should I use Obagi Professional-C Serum 20%?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Begin every other day, increase to once daily as tolerated. Use morning under SPF or at night depending on your routine.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this serum with retinol?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can use both but not necessarily together; consider alternating nights or consult a dermatologist to reduce irritation risk.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Obagi Medical","offers":[{"title":"Default Title","offer_id":58345976004995,"sku":"B00F6XZZMY","price":213.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/2696\/0515\/files\/obagi-front-bottle.jpg?v=1782632123","url":"https:\/\/origin-beauty.com\/products\/obagi-medical-professional-c-serum-20-vitamin-c-facial-serum-1-fl-oz-lightweight-fast-absorbing-for-normal-to-oily-skin","provider":"Origin Beauty","version":"1.0","type":"link"}