{"id":55551,"date":"2025-12-03T17:05:02","date_gmt":"2025-12-03T16:05:02","guid":{"rendered":"https:\/\/www.beautydecoded.com\/ingredient\/45-diamino-1-methylpyrazole-hcl\/"},"modified":"2025-12-03T17:05:02","modified_gmt":"2025-12-03T16:05:02","slug":"45-diamino-1-methylpyrazole-hcl","status":"publish","type":"ingredient","link":"https:\/\/www.beautydecoded.com\/en\/ingredient\/45-diamino-1-methylpyrazole-hcl\/","title":{"rendered":"4,5-DIAMINO-1-METHYLPYRAZOLE HCL"},"content":{"rendered":"<p><strong>Ingredient type:<\/strong>HUMECTANT\/WATER-SOLUBLE<\/p>\n<p>\u2728 Role: 4,5-DIAMINO-1-METHYLPYRAZOLE HCL is commonly used in hair colorants. It acts as a color intermediate, helping to produce a long-lasting, even tint on the hair.<\/p>\n<p>  Ingredient type: Water-soluble<\/p>\n<p> \u200d\u2695\ufe0f Safety: When used within regulatory limits, this ingredient is generally safe. However, it may cause allergic reactions in some people.<\/p>\n<p>\u2728 Vegan: Yes, this ingredient is considered vegan, as it is synthetic and not derived from animals.<\/p>\n<p>\u2728 Please note: 4,5-DIAMINO-1-METHYLPYRAZOLE HCL can be irritating to the skin and eyes. It is advisable to carry out a tolerance test before using hair products containing this ingredient. Hair color kits often include instructions for a patch test.<\/p>\n<p>  Present in: Mainly present in permanent and semi-permanent 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-55551","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\/55551","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=55551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}