{"id":2355,"date":"2025-06-18T16:35:16","date_gmt":"2025-06-18T08:35:16","guid":{"rendered":"https:\/\/www.zleygroup.com\/?post_type=product&p=2355"},"modified":"2026-09-22T17:16:05","modified_gmt":"2026-09-22T09:16:05","slug":"zleybrc-ws","status":"publish","type":"product","link":"https:\/\/www.zleygroup.com\/it\/products\/zleybrc-ws\/","title":{"rendered":"ZLEY\u00aeBRC-WS"},"content":{"rendered":"

ZLEY\u00ae BRC-WS<\/strong> is a formulated cosmetic ingredient blend containing 4-Butylresorcinol (CAS 18979-61-8), propanediol, hydroxypropyl cyclodextrin, water and sodium bisulfite. The published ZLEY\u00ae technical sheet specifies 12.5% \u00b1 1.0% 4-Butylresorcinol content and suggests 1\u20136% use of the supplied blend. Confirm the current batch specification before calculating the active contribution to a finished formula.<\/p>\n

This supplier suggestion is not a universal safety limit. Assess stability, packaging and tolerance in the finished product for the intended market and users. Read our BRC-WS formulation and buyer guide<\/a> for the TDS, SDS and comparison with neat 4-Butylresorcinol. Request the current COA, TDS and SDS from ZLEY\u00ae before use.<\/p>","protected":false},"excerpt":{"rendered":"\n\n\n\n\n\n\n
Components (published TDS):<\/strong><\/td>\nWater, Propanediol, Hydroxypropyl Cyclodextrin, 4-Butylresorcinol, Sodium Bisulfite<\/td>\n<\/tr>\n
4-Butylresorcinol content:<\/strong><\/td>\n12.5% \u00b1 1.0% in the supplied blend<\/td>\n<\/tr>\n
Aspetto:<\/strong><\/td>\nColorless to yellowish transparent liquid<\/td>\n<\/tr>\n
Supplier suggested dosage:<\/strong><\/td>\n1.0\u20136.0% of the blend; confirm the current TDS and assess the finished formula<\/td>\n<\/tr>\n
Formulation:<\/strong><\/td>\nAssess water compatibility, pH, color and packaging in the finished product<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"featured_media":8114,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":["post-2355","product","type-product","status-publish","has-post-thumbnail","product_cat-brightening","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.zleygroup.com\/it\/wp-json\/wp\/v2\/product\/2355","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zleygroup.com\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.zleygroup.com\/it\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.zleygroup.com\/it\/wp-json\/wp\/v2\/media\/8114"}],"wp:attachment":[{"href":"https:\/\/www.zleygroup.com\/it\/wp-json\/wp\/v2\/media?parent=2355"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.zleygroup.com\/it\/wp-json\/wp\/v2\/product_brand?post=2355"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.zleygroup.com\/it\/wp-json\/wp\/v2\/product_cat?post=2355"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.zleygroup.com\/it\/wp-json\/wp\/v2\/product_tag?post=2355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}