{"id":37389,"date":"2025-12-03T13:13:54","date_gmt":"2025-12-03T12:13:54","guid":{"rendered":"https:\/\/www.beautydecoded.com\/ingredient\/4-nitro-o-phenylenediamine-sulfate\/"},"modified":"2025-12-03T13:13:54","modified_gmt":"2025-12-03T12:13:54","slug":"4-nitro-o-phenylenediamine-sulfate","status":"publish","type":"ingredient","link":"https:\/\/www.beautydecoded.com\/en\/ingredient\/4-nitro-o-phenylenediamine-sulfate\/","title":{"rendered":"4-Nitro-o-phenylenediamine sulfate"},"content":{"rendered":"<p><strong>Ingredient type: <\/strong>HUMECTANT\/WATER-SOLUBLE<\/p>\n<p>\u2728 Role: 4-Nitro-o-phenylenediamine sulfate is mainly used in hair colorants. It helps modify hair color by reacting with other compounds to create colored pigments.<\/p>\n<p>  Ingredient type: Water-soluble<\/p>\n<p> \u200d\u2695\ufe0f Safety: This ingredient is subject to strict regulation in many parts of the world, including the European Union, where its use is restricted or prohibited in cosmetic products intended for the skin. In hair colorants, its use is monitored, and it is necessary to follow the instructions on the product.<\/p>\n<p>\u2728 Vegan: The ingredient is technically considered vegan since it is not of animal origin, but the final formulation will depend on the other ingredients in the product.<\/p>\n<p>\u2728 Please note: 4-Nitro-o-phenylenediamine sulfate can be irritating to the skin and should be used with care, in accordance with instructions. A sensitivity test is often recommended before use. It is essential to follow the recommended application and rinsing times.<\/p>\n<p>  Present in: Mainly used in hair colorants.<\/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-37389","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\/37389","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=37389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}