{"id":44140,"date":"2025-08-13T13:35:28","date_gmt":"2025-08-13T13:35:28","guid":{"rendered":"https:\/\/skinstudio.ee\/?post_type=product&#038;p=44140"},"modified":"2026-05-22T12:06:44","modified_gmt":"2026-05-22T12:06:44","slug":"radiant-brightening-serum","status":"publish","type":"product","link":"https:\/\/skinstudio.ee\/en\/catalog\/circadia\/radiant-brightening-serum\/","title":{"rendered":"Radiant Brightening Serum"},"content":{"rendered":"<p data-start=\"34\" data-end=\"342\"><strong data-start=\"34\" data-end=\"75\">Radiant Brightening Serum by Circadia<\/strong> is a lightweight brightening facial serum created for targeted care of hyperpigmentation, age spots, sun spots, and melasma. The formula helps reduce the appearance of dark spots, even the skin tone, and give the complexion a clearer, fresher, and more radiant look.<\/p>\n<p data-start=\"344\" data-end=\"656\">The product works with key pigmentation mechanisms: it helps inhibit tyrosinase, slow melanin production, and improve tone evenness. Thanks to its lightweight texture, the serum applies comfortably to specific pigmented areas, does not feel heavy on the skin, and fits perfectly into an evening skincare routine.<\/p>\n<p data-start=\"658\" data-end=\"950\">The formula combines powerful brightening ingredients and antioxidants, including ReguFade, stable vitamin C form BV-OSC, and Phenylethyl Resorcinol. With regular use, Radiant Brightening Serum helps the skin look more even, brighter, and well cared for, while dark areas become less visible.<\/p>\n<p data-start=\"952\" data-end=\"982\"><strong data-start=\"952\" data-end=\"982\">Active ingredients action:<\/strong><\/p>\n<p data-start=\"984\" data-end=\"1107\"><strong data-start=\"984\" data-end=\"1017\">ReguFade (Trans-Resveratrol):<\/strong> a powerful antioxidant and brightening ingredient that helps visibly reduce pigmentation.<\/p>\n<p data-start=\"1109\" data-end=\"1258\"><strong data-start=\"1109\" data-end=\"1148\">BV-OSC (Tetrahexyldecyl Ascorbate):<\/strong> a stable oil-soluble form of vitamin C that reduces melanin synthesis and supports a more even, radiant tone.<\/p>\n<p data-start=\"1260\" data-end=\"1390\"><strong data-start=\"1260\" data-end=\"1298\">Phenylethyl Resorcinol (SymWhite):<\/strong> a strong tyrosinase inhibitor that helps brighten pigmented areas and improve skin clarity.<\/p>\n<p data-start=\"1392\" data-end=\"1515\"><strong data-start=\"1392\" data-end=\"1442\">Who Radiant Brightening Serum is suitable for:<\/strong> skin with age spots, sun spots, uneven tone, and post-pregnancy melasma.<\/p>\n<p data-start=\"1517\" data-end=\"1532\"><strong data-start=\"1517\" data-end=\"1526\">Size:<\/strong> 15 ml<\/p>\n","protected":false},"excerpt":{"rendered":"<p data-start=\"1699\" data-end=\"1723\">Brightening facial serum<\/p>\n<h2 data-start=\"1725\" data-end=\"1774\"><strong data-start=\"1725\" data-end=\"1774\">Circadia &#8211; Radiant Brightening Serum Benefits<\/strong><\/h2>\n<p data-start=\"1776\" data-end=\"1981\">\u2714\ufe0f Brightens dark pigmented spots beautifully<br data-start=\"1821\" data-end=\"1824\" \/>\u2714\ufe0f Evens skin tone to radiance<br data-start=\"1854\" data-end=\"1857\" \/>\u2714\ufe0f Slows the appearance of pigmentation<br data-start=\"1896\" data-end=\"1899\" \/>\u2714\ufe0f Improves complexion clarity and freshness<br data-start=\"1943\" data-end=\"1946\" \/>\u2714\ufe0f Softens skin and restores glow<\/p>\n","protected":false},"featured_media":94497,"template":"","meta":[],"pwb-brand":[798],"product_brand":[],"product_cat":[137,132],"product_tag":[],"giftcard-category":[],"class_list":["post-44140","product","type-product","status-publish","has-post-thumbnail","pwb-brand-circadia","product_cat-pigmentation","product_cat-serums","first","onbackorder","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"brands":[{"id":798,"name":"Circadia","slug":"circadia"}],"_links":{"self":[{"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/product\/44140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":2,"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/product\/44140\/revisions"}],"predecessor-version":[{"id":94509,"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/product\/44140\/revisions\/94509"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/media\/94497"}],"wp:attachment":[{"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/media?parent=44140"}],"wp:term":[{"taxonomy":"pwb-brand","embeddable":true,"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/pwb-brand?post=44140"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/product_brand?post=44140"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/product_cat?post=44140"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/product_tag?post=44140"},{"taxonomy":"giftcard-category","embeddable":true,"href":"https:\/\/skinstudio.ee\/en\/wp-json\/wp\/v2\/giftcard-category?post=44140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}