{"id":42832,"date":"2025-12-03T14:42:21","date_gmt":"2025-12-03T13:42:21","guid":{"rendered":"https:\/\/www.beautydecoded.com\/ingredient\/quaternium-15\/"},"modified":"2025-12-03T14:42:21","modified_gmt":"2025-12-03T13:42:21","slug":"quaternium-15","status":"publish","type":"ingredient","link":"https:\/\/www.beautydecoded.com\/en\/ingredient\/quaternium-15\/","title":{"rendered":"QUATERNIUM-15"},"content":{"rendered":"<p><strong>Ingredient type:<\/strong>CONSERVATIVE<\/p>\n<p>Ingredient to avoid during pregnancy: Yes<\/p>\n<p>Formaldehyde releaser<\/p>\n<p>\u2728 Role: Quaternium-15 is primarily used as a preservative in cosmetic products. It works by preventing the growth of bacteria, fungi, and yeast, thereby extending the product's shelf life.<\/p>\n<p>  Ingredient type: Preservative<\/p>\n<p> Safety: The use of Quaternium-15 is increasingly restricted because it releases formaldehyde, a compound that can be irritating and sensitizing. <\/p>\n<p>\u2728 Vegan: Yes<\/p>\n<p>\u2728 Note: It may cause allergic reactions in people with sensitive skin or allergies to formaldehyde. Some countries have restrictions on its concentration in cosmetic products.<\/p>\n<p>  Found in: Moisturizers, cleansers, hair products, skin lotions, and makeup.<\/p>\n<p><strong>comedogenic index:\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-42832","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\/42832","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=42832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}