{"product_id":"vitamin-c-vitalizing-boosting-ampoule-20ml","title":"Vitamin C Vitalizing Boosting Ampoule 20ml","description":"\u003ch3\u003e23% Pure Vitamin C for a Luminous, Even-Toned Complexion\u003c\/h3\u003e\u003cp\u003eThis brightening ampoule is formulated with 23% pure vitamin C sourced from the UK. Enhanced with liposome technology for seamless adherence and a mildly acidic pH to support absorption, it has also completed DPPH radical scavenging activity testing to verify its antioxidant efficacy. If you're concerned about a dull or uneven skin tone, this ampoule works from within to reveal a luminous, radiant complexion.\u003c\/p\u003e\u003ch3\u003eVisible Results on Dark Spots and Hyperpigmentation After 2 Weeks\u003c\/h3\u003e\u003cp\u003eIn a human application test, visible dark spots and hyperpigmentation decreased by 34.02% after 2 weeks of use, while the area of underlying pigmentation was reduced by 20.76%. After just one application, hydration increased by 33.16% and surface radiance improved by 34.14%. This product is certified as a dual-functional cosmetic for brightening and wrinkle improvement.\u003c\/p\u003e\u003ch3\u003eBrightening Booster Ingredients and Usage Precautions\u003c\/h3\u003e\u003cp\u003eIn addition to pure vitamin C, this formula includes tocopherol (antioxidant), bioflavonoids, and French maritime pine bark extract to support a more even, radiant skin tone. Due to its high concentration, it's best to start with a small amount and gradually increase usage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRecommended once daily; for sensitive skin, adjust to 2–3 times per week\u003c\/li\u003e\n\u003cli\u003eAfter opening, store refrigerated (3–10°C) and use within 1–2 months\u003c\/li\u003e\n\u003cli\u003eIf using in the morning, always finish with sunscreen to prevent vitamin C oxidation\u003c\/li\u003e\n\u003cli\u003eDiscontinue use if the product turns brown\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CENTELLIAN24","offers":[{"title":"Single Item","offer_id":40948137328704,"sku":"291-1","price":27.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0600\/8825\/4528\/files\/1774232203545.jpg?v=1776594410","url":"https:\/\/piyonna.com\/products\/vitamin-c-vitalizing-boosting-ampoule-20ml","provider":"PIYONNA","version":"1.0","type":"link"}