{"id":36741,"date":"2025-12-03T13:02:08","date_gmt":"2025-12-03T12:02:08","guid":{"rendered":"https:\/\/www.beautydecoded.com\/ingredient\/4-hydroxybenzoic-acid\/"},"modified":"2025-12-03T13:02:08","modified_gmt":"2025-12-03T12:02:08","slug":"4-hydroxybenzoic-acid","status":"publish","type":"ingredient","link":"https:\/\/www.beautydecoded.com\/en\/ingredient\/4-hydroxybenzoic-acid\/","title":{"rendered":"4-hydroxybenzoic acid"},"content":{"rendered":"<p><strong>Ingredient type: \u00a0<\/strong>CONSERVATIVE<\/p>\n<p>\u2728 Role: 4-hydroxybenzoic acid is mainly used as a preservative in cosmetic products. It helps prevent the proliferation of bacteria and molds, thus extending the product's shelf life and ensuring its safe use.<\/p>\n<p>  Ingredient type: Water-soluble<\/p>\n<p> \u200d\u2695\ufe0f Safety: Generally considered safe for cosmetic use when used in recommended concentrations. However, it may be irritating to sensitive skin.<\/p>\n<p>\u2728 Vegan: Yes, this ingredient is synthetic and suitable for vegan formulations.<\/p>\n<p>\u2728 Worth knowing: Often present in the form of paraben, i.e. one of its esters, such as methylparaben or propylparaben, which are heavily monitored and sometimes controversial due to their endocrine-disrupting potential. The concentrations used in cosmetics are strictly regulated.<\/p>\n<p>  Present in: Skin care products, creams, lotions and hair care products.<\/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-36741","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\/36741","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=36741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}