{"id":29175,"date":"2025-12-03T11:19:23","date_gmt":"2025-12-03T10:19:23","guid":{"rendered":"https:\/\/www.beautydecoded.com\/ingredient\/n-phenyl-p-phenylenediamine\/"},"modified":"2025-12-03T11:19:23","modified_gmt":"2025-12-03T10:19:23","slug":"n-phenyl-p-phenylenediamine","status":"publish","type":"ingredient","link":"https:\/\/www.beautydecoded.com\/en\/ingredient\/n-phenyl-p-phenylenediamine\/","title":{"rendered":"N-phenyl-p-phenylenediamine"},"content":{"rendered":"<p>Ingredient type: COLORANT<\/p>\n<p>\u2728 Role: N-phenyl-p-phenylenediamine is mainly used as a coloring agent in hair dyes. It helps provide long-lasting color that is resistant to repeated washing, while enabling a wide range of shades to be obtained.<\/p>\n<p>  Ingredient type: Colorant<\/p>\n<p> \u200d\u2695\ufe0f Safety: This ingredient may present risks of allergy or irritation, so a skin test is required before use.<\/p>\n<p>\u2728 Vegan: Yes, the ingredient is derived from synthetic sources and does not contain products of animal origin.<\/p>\n<p>\u2728 Worth knowing: This chemical compound is subject to regulation in several countries, and its use is often restricted to certain concentrations in cosmetic formulations due to its irritant potential. People with sensitive skin or a history of allergies should use it with caution.<\/p>\n<p>  Present in: Mainly used in hair dyes and sometimes in certain make-up products requiring intense coloring.<\/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-29175","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\/29175","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=29175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}