{"id":15484,"date":"2025-08-25T21:03:55","date_gmt":"2025-08-25T18:03:55","guid":{"rendered":"https:\/\/rocket-test.justcosmetics.cy\/?post_type=product&#038;p=15484"},"modified":"2026-06-13T22:01:32","modified_gmt":"2026-06-13T19:01:32","slug":"isntree-hyper-vitamin-c-23-serum-20ml","status":"publish","type":"product","link":"https:\/\/rocket-test.justcosmetics.cy\/en\/shop\/anti-aging\/isntree-hyper-vitamin-c-23-serum-20ml\/","title":{"rendered":"Hyper Vitamin C 23 Serum 20ml"},"content":{"rendered":"<article><b>ISNTREE Hyper Vitamin C 23 Serum<\/b> is a high-potency brightening serum powered by <b>23% pure Vitamin C (Ascorbic Acid)<\/b>, boosted with <b>Vitamin E (Tocopherol)<\/b> and <b>Panthenol<\/b> to visibly fade dark spots, even tone, and revive radiance\u2014while keeping skin cushioned and comfortable. Lightweight and quick-absorbing, it layers easily and leaves a smooth, refreshed finish.<\/p>\n<p><strong>Benefits:<\/strong><\/p>\n<ul>\n<li><b>Targeted brightening:<\/b> 23% L-ascorbic acid helps reduce the look of hyperpigmentation, acne marks, and dullness.<\/li>\n<li><b>Antioxidant synergy:<\/b> Vitamin E supports Vitamin C for a more radiant, even-looking complexion.<\/li>\n<li><b>Barrier comfort:<\/b> Panthenol and birch juice (Betula) help soothe and hydrate for balanced wear.<\/li>\n<li><b>Hydrating support:<\/b> humectants keep skin plump without stickiness.<\/li>\n<li><b>Vegan &#038; skin-friendly:<\/b> free of added fragrance and harsh additives; suitable for sensitive users who introduce gradually.<\/li>\n<\/ul>\n<p><strong>Skin Types: <\/strong>All \u2022 Dull\/Uneven Tone \u2022 Normal \u2022 Combination \u2022 Oily \u2022 Dry (layer under moisturizer). <i>Sensitive skin: start slowly due to the high Vitamin C concentration.<\/i><\/p>\n<h5>How to Use:<\/h5>\n<ol>\n<li>Before first use, remove the cap, insert the dropper, and twist to lock.<\/li>\n<li>After toner, apply <b>2\u20133 drops<\/b> to clean, dry skin and <b>gently pat<\/b> until absorbed. Follow with moisturizer.<\/li>\n<li><b>Frequency:<\/b> start <b>once every 3\u20134 days<\/b> for 2 weeks, then increase as tolerated to <b>daily PM<\/b> or <b>AM\/PM<\/b>.<\/li>\n<li><b>Daily SPF required:<\/b> always finish your morning routine with broad-spectrum sunscreen.<\/li>\n<\/ol>\n<p><strong>Pro Tips:<\/strong><\/p>\n<ul>\n<li>Store tightly closed in a <b>cool, dark<\/b> place. A light yellow tint is normal; if it turns deep orange\/brown or has a sharp odor, discontinue.<\/li>\n<li>Avoid layering with strong acids\/retinoids in the same routine at first; alternate nights to minimize sensitivity.<\/li>\n<li>Apply on slightly <b>damp<\/b> (not wet) skin for a smoother spread, then seal with a ceramide moisturizer.<\/li>\n<\/ul>\n<p><strong>Key Ingredients:<\/strong><\/p>\n<ul>\n<li><b>Ascorbic Acid 23%:<\/b> pure Vitamin C to visibly brighten and even tone.<\/li>\n<li><b>Tocopherol (Vitamin E):<\/b> antioxidant partner that supports glow and stability on skin.<\/li>\n<li><b>Panthenol:<\/b> soothes and reinforces the moisture barrier.<\/li>\n<li><b>Betula Platyphylla Japonica (Birch) Juice:<\/b> light hydration and comfort.<\/li>\n<li><b>Ethyl Ascorbyl Ether:<\/b> an additional Vitamin C derivative for complementary brightening care.<\/li>\n<\/ul>\n<h5>Ingredients:<\/h5>\n<p>Water, Ascorbic Acid(23%), Propanediol, Betaine, 1,2-Hexanediol, Polyglycerin-3, Tromethamine, Ethyl Ascorbyl Ether, Hydroxyethyl Urea, Betula Platyphylla Japonica Juice, Ethylhexylglycerin, Adenosine, Disodium EDTA, Panthenol, Gardenia Florida Fruit Extract, Dextrin, Tocopherol<\/p>\n<h5>FAQ<\/h5>\n<ul>\n<li><b>Can beginners use 23% Vitamin C?<\/b><br \/>\nYes\u2014introduce <b>every 3\u20134 days<\/b> at first, then increase as tolerated. Patch test if your skin is reactive.<\/li>\n<li><b>AM or PM?<\/b><br \/>\nEither. Many prefer <b>PM<\/b> initially; if used in the morning, always apply <b>broad-spectrum SPF<\/b> afterward.<\/li>\n<li><b>Can I combine with acids, retinoids, or niacinamide?<\/b><br \/>\nAlternate nights with strong acids\/retinoids at first. Niacinamide typically layers well; monitor for sensitivity.<\/li>\n<li><b>How do I store it?<\/b><br \/>\nKeep in a <b>cool, dark<\/b> place away from heat\/sunlight. Close tightly to reduce oxidation.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/rocket-test.justcosmetics.cy\/brands\/isntree\/\" target=\"_blank\" rel=\"noopener\">Shop all ISNTREE \u2197<\/a>|<a href=\"https:\/\/rocket-test.justcosmetics.cy\/product-category\/serums\/\" target=\"_blank\" rel=\"noopener\">See all serums \u2197<\/a><\/p>\n<p> { &#8220;@context&#8221;:&#8221;https:\/\/schema.org&#8221;, &#8220;@type&#8221;:&#8221;FAQPage&#8221;, &#8220;mainEntity&#8221;:[ { &#8220;@type&#8221;:&#8221;Question&#8221;, &#8220;name&#8221;:&#8221;Can beginners use 23% Vitamin C?&#8221;, &#8220;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;Yes\u2014introduce every 3\u20134 days at first, then increase as tolerated. Patch test if your skin is reactive.&#8221;} }, { &#8220;@type&#8221;:&#8221;Question&#8221;, &#8220;name&#8221;:&#8221;AM or PM?&#8221;, &#8220;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;Either. Many prefer PM initially; if used in the morning, always apply broad-spectrum SPF afterward.&#8221;} }, { &#8220;@type&#8221;:&#8221;Question&#8221;, &#8220;name&#8221;:&#8221;Can I combine with acids, retinoids, or niacinamide?&#8221;, &#8220;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;Alternate nights with strong acids\/retinoids at first. Niacinamide typically layers well; monitor for sensitivity.&#8221;} }, { &#8220;@type&#8221;:&#8221;Question&#8221;, &#8220;name&#8221;:&#8221;How do I store it?&#8221;, &#8220;acceptedAnswer&#8221;:{&#8220;@type&#8221;:&#8221;Answer&#8221;,&#8221;text&#8221;:&#8221;Keep in a cool, dark place away from heat\/sunlight. Close tightly to reduce oxidation.&#8221;} } ] } <\/p>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>ISNTREE Hyper Vitamin C 23 Serum is a high-potency brightening serum powered by 23% pure Vitamin C (Ascorbic Acid), boosted with Vitamin E (Tocopherol) and Panthenol<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"featured_media":15485,"template":"","meta":[],"product_brand":[],"product_cat":[182,76],"product_tag":[],"jc_skin_type":[549,547,546,548],"jc_skin_concern":[540,539,536,541,542],"berocket_brand":[172],"class_list":["post-15484","product","type-product","status-publish","has-post-thumbnail","product_cat-anti-aging","product_cat-serums","jc_skin_type-combination-skin","jc_skin_type-dry-skin","jc_skin_type-normal-balanced-skin","jc_skin_type-oily-skin","jc_skin_concern-acne-marks","jc_skin_concern-dark-spots-hyperpigmentation","jc_skin_concern-dehydration","jc_skin_concern-dullness-glow","jc_skin_concern-fine-lines-wrinkles","berocket_brand-isntree","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/rocket-test.justcosmetics.cy\/en\/wp-json\/wp\/v2\/product\/15484","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rocket-test.justcosmetics.cy\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/rocket-test.justcosmetics.cy\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rocket-test.justcosmetics.cy\/en\/wp-json\/wp\/v2\/media\/15485"}],"wp:attachment":[{"href":"https:\/\/rocket-test.justcosmetics.cy\/en\/wp-json\/wp\/v2\/media?parent=15484"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/rocket-test.justcosmetics.cy\/en\/wp-json\/wp\/v2\/product_brand?post=15484"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/rocket-test.justcosmetics.cy\/en\/wp-json\/wp\/v2\/product_cat?post=15484"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/rocket-test.justcosmetics.cy\/en\/wp-json\/wp\/v2\/product_tag?post=15484"},{"taxonomy":"jc_skin_type","embeddable":true,"href":"https:\/\/rocket-test.justcosmetics.cy\/en\/wp-json\/wp\/v2\/jc_skin_type?post=15484"},{"taxonomy":"jc_skin_concern","embeddable":true,"href":"https:\/\/rocket-test.justcosmetics.cy\/en\/wp-json\/wp\/v2\/jc_skin_concern?post=15484"},{"taxonomy":"berocket_brand","embeddable":true,"href":"https:\/\/rocket-test.justcosmetics.cy\/en\/wp-json\/wp\/v2\/berocket_brand?post=15484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}