{"product_id":"goop-20-vitamin-c-advanced-brightening-serum-1-fl-oz-l-ascorbic-acid-ectoin-for-hydration-radiance","title":"goop 20% Vitamin C Advanced Brightening Serum — 1 fl oz, L‑Ascorbic Acid + Ectoin for Hydration \u0026 Radiance","description":"\u003cp\u003e\u003cstrong\u003egoop Beauty 20% Vitamin C + Advanced Brightening Serum is a two-part, water-light facial serum that combines 20% L-ascorbic acid with ectoin and ferulic acid to brighten, hydrate, and improve skin tone and texture.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis serum is designed as a daily brightening step for your face and neck. The formula arrives in an amber glass bottle with a separate activator: when you pour the activator into the bottle and shake, the fresh L-ascorbic acid powder dissolves to form a potent antioxidant-rich serum. Lightweight hyaluronic acid and ectoin support hydration and barrier function, while ferulic acid helps stabilize vitamin C and contributes additional antioxidant protection.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this serum deliver brighter-looking skin?\u003c\/h3\u003e\n\n\u003cp\u003eThe high 20% concentration of L-ascorbic acid targets visible dullness and uneven tone by providing a concentrated antioxidant source. Regular, twice-daily use can help skin look more radiant and even over several weeks when used with sunscreen in daytime.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e20% pure L-ascorbic acid for direct antioxidant support\u003c\/li\u003e\n  \u003cli\u003eFerulic acid to stabilize and boost antioxidant activity\u003c\/li\u003e\n  \u003cli\u003eClinical measurements reporting improved radiance after four weeks of twice-daily use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the texture suitable for layering with other products?\u003c\/h3\u003e\n\n\u003cp\u003eThe serum is water-light and non-tacky, absorbing quickly so it layers comfortably under moisturizers and sunscreen. Because it’s formulated to be lightweight, it works well in both morning and evening routines without leaving residue.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFast-absorbing lotion-like feel that doesn’t pill\u003c\/li\u003e\n  \u003cli\u003eUse a few drops across face and neck before creams\u003c\/li\u003e\n  \u003cli\u003eAmber glass bottle minimizes UV exposure once activated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat role does ectoin play in this formula?\u003c\/h3\u003e\n\n\u003cp\u003eEctoin is an extremolyte included here to soothe and help protect skin from environmental stress while supporting the skin barrier. It also helps retain moisture and reduce transepidermal water loss so the skin appears smoother and less reactive-looking.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAntioxidant-like support against oxidative stress\u003c\/li\u003e\n  \u003cli\u003eHelps prevent moisture loss to maintain hydration\u003c\/li\u003e\n  \u003cli\u003eGentle ingredient suitable for sensitive-prone skin when used as directed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I activate and apply the serum correctly?\u003c\/h3\u003e\n\n\u003cp\u003eActivation is a simple one-time step before first use: pour the serum activator into the amber bottle that contains L-ascorbic acid powder, then securely close and shake to dissolve the powder. Apply a few drops to clean skin on face and neck morning and night, and follow with moisturizer and daytime SPF.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eEmpty activator into the amber glass bottle and shake to combine\u003c\/li\u003e\n  \u003cli\u003eSmooth a few drops over face and neck—use morning and night\u003c\/li\u003e\n  \u003cli\u003eAlways pair daytime use with broad-spectrum sunscreen\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: goop Beauty 20% Vitamin C + Advanced Brightening Serum is aimed at users seeking a potent vitamin C treatment to address dullness, uneven tone, and dehydration without heavy textures. It’s suited to people who want a high-concentration, freshly activated L-ascorbic acid formula that layers easily in a skincare routine. If you have very reactive skin, introduce the serum gradually and patch-test before full-face application. For daytime use, include a broad-spectrum SPF to protect results and support skin health.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eAQUA\/WATER\/EAU, ASCORBIC ACID, GLYCERIN, DIMETHYL ISOSORBIDE, PENTYLENE GLYCOL, ECTOIN, PROPANEDIOL, FERULIC ACID, SODIUM HYALURONATE, TERMINALIA FERDINANDIANA (KAKADU PLUM) FRUIT EXTRACT, GALACTOARABINAN, SODIUM CITRATE, ZIZIPHUS JUJUBA (JUJUBE) SEED EXTRACT, FRUCTAN, ETHYLHEXYLGLYCERIN, POTASSIUM SORBATE, DECYL GLUCOSIDE, OLEA EUROPAEA (OLIVE) LEAF EXTRACT, SODIUM HYDROXIDE, CITRIC ACID, PHENETHYL ALCOHOL, XYLITOL, CAPRYLIC ACID, CAPRYLYL GLYCOL.\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 the goop 20% Vitamin C serum?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use twice daily—morning and night—starting slowly if you have sensitive skin. Always follow daytime use with sunscreen.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I activate the serum before first use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Pour the included activator into the amber bottle with L-ascorbic powder, close it, then shake until the powder dissolves.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"goop","offers":[{"title":"Default Title","offer_id":51487678890217,"sku":"B0GWFRF3X6","price":296.77,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/7674\/2633\/files\/goop-beauty-20vc-amber-bottle-front.jpg?v=1783287160","url":"https:\/\/cervaaustralia.com\/products\/goop-20-vitamin-c-advanced-brightening-serum-1-fl-oz-l-ascorbic-acid-ectoin-for-hydration-radiance","provider":"Cerva Australia | Professional Beauty Supplies, Skincare \u0026 Cosmetics","version":"1.0","type":"link"}