{"product_id":"goop-vitamin-c-serum-20-l-ascorbic-acid-brightening-serum-amber-activator-kit-hyaluronic-acid-ferulic","title":"goop Vitamin C Serum 20% L‑Ascorbic Acid Brightening Serum — Amber Activator Kit, Hyaluronic Acid \u0026 Ferulic","description":"\u003cp\u003e\u003cstrong\u003eA potent daily brightening serum containing 20% L‑ascorbic acid, ferulic acid, hyaluronic acid, and ectoin formulated to even skin tone, hydrate, and boost radiance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis two‑part serum arrives with a powder‑in‑bottle system to preserve potency: activate by emptying the included serum activator into the amber glass bottle with L‑ascorbic acid powder, shake, and apply. The formula combines a high concentration of pure vitamin C with ferulic acid and hydrating ingredients to target dullness and help improve the look of texture and tone while feeling lightweight and non‑tacky on skin.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I activate and apply this serum?\u003c\/h3\u003e\n\u003cp\u003eActivation is simple: pour the activator into the amber bottle containing the vitamin C powder, close, and shake until fully dissolved. Use a few drops on clean, dry skin morning and night, smoothing over face and neck before moisturizer and sunscreen in the daytime.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEmpty vial contents into amber bottle and securely close.\u003c\/li\u003e\n  \u003cli\u003eShake until powder fully dissolves and the solution looks uniform.\u003c\/li\u003e\n  \u003cli\u003eApply 2–4 drops to face and neck; follow with moisturizer and sunscreen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat skin benefits can I expect and how soon?\u003c\/h3\u003e\n\u003cp\u003eThe blend of 20% L‑ascorbic acid and ferulic acid delivers a concentrated antioxidant boost intended to address dullness and uneven tone. Clinical measurements showed improved radiance after four weeks of twice‑daily use in the tested panel; results can vary by individual skin type and routine consistency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTargets visible dullness and uneven complexion.\u003c\/li\u003e\n  \u003cli\u003eSupports smoother-looking surface texture with ongoing use.\u003c\/li\u003e\n  \u003cli\u003eHelps preserve hydration with hyaluronic acid and ectoin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy is the product packaged with an amber bottle and a separate activator?\u003c\/h3\u003e\n\u003cp\u003ePure L‑ascorbic acid is sensitive to light and air, so keeping the powder separate until first use preserves freshness and potency. The amber glass helps minimize UV exposure after activation, extending stability for daily application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePowder form prevents early oxidation before activation.\u003c\/li\u003e\n  \u003cli\u003eAmber glass reduces light exposure after mixing.\u003c\/li\u003e\n  \u003cli\u003eTwo‑part system ensures a fresher, more effective serum at first use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this formula suitable for sensitive or dry skin?\u003c\/h3\u003e\n\u003cp\u003eThe serum includes ectoin, an extremolyte known for skin‑soothing properties that can help support the skin barrier and reduce transepidermal water loss, plus hyaluronic acid for hydration. Because the vitamin C concentration is high, patch testing is recommended and those with very reactive skin may want to introduce use gradually.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEctoin calms and supports barrier function.\u003c\/li\u003e\n  \u003cli\u003eHyaluronic acid provides lightweight hydration without tackiness.\u003c\/li\u003e\n  \u003cli\u003ePatch test on inner forearm before full face use; start every other day if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This serum is designed for people seeking a high‑strength vitamin C treatment to target dullness, discoloration, and texture concerns while keeping a lightweight feel. It suits those comfortable with a two‑part activation system who want a fresher, potent L‑ascorbic acid formula and riders looking for hydrating, barrier‑supportive ingredients like hyaluronic acid and ectoin. If you have very sensitive skin, introduce the product slowly and consult a skincare professional if unsure.\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 do I activate the goop 20% Vitamin C serum?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Pour the activator vial into the amber bottle with the powder, close, shake until dissolved, then apply a few drops to face and neck.\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 other active ingredients?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It pairs well with many hydrators and sunscreens; avoid layering with other strong acids or retinoids until tolerance is established.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"goop","offers":[{"title":"Default Title","offer_id":49623911956618,"sku":"B0GWFRF3X6","price":296.77,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/4825\/6394\/files\/goop-20pc-vitamin-c-front-bottle.jpg?v=1782882825","url":"https:\/\/auviraskincare.com\/products\/goop-vitamin-c-serum-20-l-ascorbic-acid-brightening-serum-amber-activator-kit-hyaluronic-acid-ferulic","provider":"Auvira Beauty","version":"1.0","type":"link"}