{"id":28100,"date":"2025-12-03T11:09:53","date_gmt":"2025-12-03T10:09:53","guid":{"rendered":"https:\/\/www.beautydecoded.com\/ingredient\/4-nitro-o-phenylenediamine\/"},"modified":"2025-12-03T11:09:53","modified_gmt":"2025-12-03T10:09:53","slug":"4-nitro-o-phenylenediamine","status":"publish","type":"ingredient","link":"https:\/\/www.beautydecoded.com\/en\/ingredient\/4-nitro-o-phenylenediamine\/","title":{"rendered":"4-Nitro-o-phenylenediamine"},"content":{"rendered":"<p>Ingredient type: COLORANT<\/p>\n<p>\u2728 Role: 4-nitro-o-phenylenediamine is mainly used as a hair colorant in hair dye products. It helps to modify or intensify hair color.<\/p>\n<p>  Ingredient type: Colorant<\/p>\n<p> \u200d\u2695\ufe0f Safety: This ingredient is considered potentially irritating to the skin and may cause allergic reactions. Its use is strictly regulated in cosmetic products.<\/p>\n<p>\u2728 Vegan: This ingredient is generally of synthetic origin and therefore considered vegan.<\/p>\n<p>\u2728 Worth knowing: Particular attention should be paid to allergy testing before using products containing this ingredient. A patch test is recommended to check for possible skin reactions.<\/p>\n<p>  Present in: Mainly used in hair dyes and colorants.<\/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-28100","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\/28100","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=28100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}