{"id":55717,"date":"2025-12-03T17:06:35","date_gmt":"2025-12-03T16:06:35","guid":{"rendered":"https:\/\/www.beautydecoded.com\/ingredient\/hc-blue-no-4\/"},"modified":"2025-12-03T17:06:35","modified_gmt":"2025-12-03T16:06:35","slug":"hc-blue-no-4","status":"publish","type":"ingredient","link":"https:\/\/www.beautydecoded.com\/en\/ingredient\/hc-blue-no-4\/","title":{"rendered":"HC BLUE NO. 4"},"content":{"rendered":"<p><strong>Ingredient type:<\/strong>COLORANT<\/p>\n<p>\u2728 Role: HC Blue No. 4 is a colorant commonly used in cosmetic products to add or modify the color of the final product. It plays no active role on the skin but contributes to the aesthetics of the product.<\/p>\n<p>  Ingredient type: Colorant<\/p>\n<p> \u200d\u2695\ufe0f Safety: The ingredient is deemed safe for cosmetic use in the concentrations permitted by health authority regulations.<\/p>\n<p>\u2728 Vegan: Generally considered vegan, provided no other ingredients of animal origin are involved in the manufacturing process.<\/p>\n<p>\u2728 Please note: Although rare, some people can have allergic reactions to dyes, so a skin tolerance test is always recommended before applying the product to larger areas.<\/p>\n<p>  Present in: Used mainly in hair coloring products, but can also be found in other cosmetic products requiring blue pigmentation, such as certain make-up or bath products.<\/p>\n<p><strong>Comedogenic rating:\u00a0<\/strong><\/p>","protected":false},"featured_media":0,"parent":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"class_list":["post-55717","ingredient","type-ingredient","status-publish","hentry"],"acf":[],"taxonomy_info":[],"featured_image_src_large":false,"author_info":[],"comment_info":"","_links":{"self":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/ingredient\/55717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/ingredient"}],"about":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/types\/ingredient"}],"wp:attachment":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/media?parent=55717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}