{"id":36114,"date":"2025-12-03T12:56:24","date_gmt":"2025-12-03T11:56:24","guid":{"rendered":"https:\/\/www.beautydecoded.com\/ingredient\/n-phenyl-p-phenylenediamine-hcl\/"},"modified":"2025-12-03T12:56:24","modified_gmt":"2025-12-03T11:56:24","slug":"n-phenyl-p-phenylenediamine-hcl","status":"publish","type":"ingredient","link":"https:\/\/www.beautydecoded.com\/en\/ingredient\/n-phenyl-p-phenylenediamine-hcl\/","title":{"rendered":"N-phenyl-p-phenylenediamine HCl"},"content":{"rendered":"<p><strong>Ingredient type: \u00a0<\/strong>COLORANT<\/p>\n<p>\u2728 Role: N-Phenyl-p-phenylenediamine HCL is primarily used in hair dyes for its ability to impart long-lasting, deep color. It works by penetrating the hair fiber to deliver an even, wash-resistant hue.<\/p>\n<p>  Ingredient type: Colorant<\/p>\n<p> \u200d\u2695\ufe0f Safety: This ingredient is generally safe when used in accordance with regulatory guidelines. However, caution is recommended due to its allergenic potential.<\/p>\n<p>\u2728 Vegan: Yes, this ingredient is of synthetic, non-animal origin.<\/p>\n<p>\u2728 Please note: May cause allergic reactions in some people, especially when used continuously or on sensitive scalps. A skin test is recommended before use.<\/p>\n<p>  Present in: Permanent and semi-permanent hair dyes.<\/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-36114","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\/36114","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=36114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}