{"product_id":"sunday-riley-c-e-o-15-vitamin-c-brightening-serum-thd-ascorbate-lightweight-daily-antioxidant-for-dark-spots","title":"Sunday Riley C.E.O. 15% Vitamin C Brightening Serum — THD Ascorbate, lightweight daily antioxidant for dark spots","description":"\u003cp\u003e\u003cstrong\u003eSunday Riley C.E.O. 15% Vitamin C Brightening Serum is a fast-absorbing, oil-soluble vitamin C formula (THD Ascorbate) designed to brighten skin tone, reduce the look of dark spots, and restore a firmer, more youthful bounce.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis serum uses a highly stable form of vitamin C that penetrates quickly and plays well in oil-compatible skincare routines. Formulated to target visible uneven tone and dullness, it aims to refresh skin radiance while supporting the appearance of smoother texture and reduced visible lines. Lightweight and designed for daily use, it layers under moisturizers and makeup without leaving a heavy residue.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly will I notice brighter, more even-looking skin?\u003c\/h3\u003e\n\n\u003cp\u003eVisible improvements depend on your skin and routine, but many users report a brighter complexion within weeks of consistent application. Results improve when used as directed, alongside sun protection and complementary actives.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eApply morning or evening to clean, dry skin for best absorption.\u003c\/li\u003e\n  \u003cli\u003eConsistent use—daily—supports gradual reduction of dullness and dark spots.\u003c\/li\u003e\n  \u003cli\u003ePair with SPF during the day to protect treated skin and maintain results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes THD ascorbate in this formula different from other vitamin C types?\u003c\/h3\u003e\n\n\u003cp\u003eTHD ascorbate is an oil-soluble, ultra-stable vitamin C derivative that absorbs rapidly into the skin and is less prone to oxidation than ascorbic acid. Its oil solubility helps it integrate into oil-compatible products and delivers antioxidant benefits without the typical acidic feel.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e15% concentration provides a potent supply of stable vitamin C.\u003c\/li\u003e\n  \u003cli\u003eOil-soluble form improves penetration into the skin’s lipid layers.\u003c\/li\u003e\n  \u003cli\u003eFormulation reduces oxidation risk, preserving efficacy during use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I incorporate this serum into my skincare routine?\u003c\/h3\u003e\n\n\u003cp\u003eUse C.E.O. after cleansing and before moisturizing. Because it’s oil-soluble and fast-absorbing, it works well under creams and sunscreens and can be layered with other serums depending on your skin’s tolerance.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eCleanse, then apply a few drops of serum to face and neck.\u003c\/li\u003e\n  \u003cli\u003eFollow with moisturizer and broad-spectrum SPF in the morning.\u003c\/li\u003e\n  \u003cli\u003eAvoid mixing with high-strength exfoliating acids simultaneously to reduce irritation risk.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this serum suitable for sensitive or acne-prone skin?\u003c\/h3\u003e\n\n\u003cp\u003eThe oil-soluble THD ascorbate is generally gentler than some acidic vitamin C forms, but individual sensitivity varies. Perform a patch test and introduce slowly if you have reactive skin.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePatch test behind the ear or inner forearm before full-face use.\u003c\/li\u003e\n  \u003cli\u003eStart with every-other-day application, increasing as tolerated.\u003c\/li\u003e\n  \u003cli\u003eIf irritation occurs, pause use and consult a dermatologist for guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: The Sunday Riley C.E.O. 15% Vitamin C Brightening Serum is aimed at people seeking a stable, fast-absorbing vitamin C treatment to address visible dullness, uneven tone, and the early appearance of lines and texture concerns. It suits those who want a powerful antioxidant boost that layers cleanly under moisturizers and makeup, and who prioritize a formula designed for long-term stability and daily use.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eINGREDIENTS: Water\/Eau\/Aqua, Tetrahexyldecyl Ascorbate, Squalane, Polyglyceryl-6 Distearate, PEG-8 Beeswax, PPG-12\/SMDI Copolymer, Glycine Soja (Soybean) Sterols, Sodium Phytate, Tocopherol, Acetamidoethoxyethanol, Hydroxyethyl Acrylate\/Sodium Acryloyldimethyl Taurate Copolymer, Sodium Acrylate\/Sodium Acryloyldimethyl Taurate Copolymer, Jojoba Esters, Glycolic Acid, Caprylyl Glycol, Cetyl Alcohol, Polyglyceryl-3 Beeswax, Chlorphenesin, Glycerin, Polysorbate 60, Sorbitan Isostearate, Saccharide Isomerate, Citrus Aurantium Dulcis (Orange) Peel Oil, Citrus Tangerina (Tangerine) Peel Oil, Linalool, Limonene, Phenoxyethanol.\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: When should I use C.E.O. 15% Vitamin C serum?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply after cleansing and before moisturizer; use morning or evening. Always wear SPF during daytime use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I layer this with other active ingredients?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, but avoid combining with high-strength exfoliating acids at the same time to reduce irritation risk.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sunday Riley","offers":[{"title":"Default Title","offer_id":49623876796554,"sku":"B088ZWB6ZK","price":142.41,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/4825\/6394\/files\/sunday-riley-ceo-front-packaging.jpg?v=1782881886","url":"https:\/\/auviraskincare.com\/products\/sunday-riley-c-e-o-15-vitamin-c-brightening-serum-thd-ascorbate-lightweight-daily-antioxidant-for-dark-spots","provider":"Auvira Beauty","version":"1.0","type":"link"}