{"id":35685,"date":"2025-12-03T12:33:49","date_gmt":"2025-12-03T11:33:49","guid":{"rendered":"https:\/\/www.beautydecoded.com\/ingredient\/cystine\/"},"modified":"2025-12-03T12:33:49","modified_gmt":"2025-12-03T11:33:49","slug":"cystine","status":"publish","type":"ingredient","link":"https:\/\/www.beautydecoded.com\/en\/ingredient\/cystine\/","title":{"rendered":"CYSTINE"},"content":{"rendered":"<p><strong>Ingredient type: \u00a0<\/strong>HUMECTANT\/WATER-SOLUBLE<\/p>\n<p>Amino acid<\/p>\n<p>\u2728 Role: Cystine is an essential amino acid formed from two cysteine molecules linked by a disulfide bridge. It plays a crucial role in strengthening the structure of skin and hair proteins, contributing to their strength and elasticity.<\/p>\n<p>  Ingredient type: Water-soluble<\/p>\n<p> \u200d\u2695\ufe0f Safety: Yes, cystine is considered safe for use in cosmetic products.<\/p>\n<p>\u2728 Vegan: If it is synthetic or plant-based, it can be considered vegan. Its source as specified in the product is therefore important for this assessment. <\/p>\n<p>\u2728 Good to know: Cystine is often included in formulations designed to strengthen and repair hair, particularly after chemical treatments or environmental damage.<\/p>\n<p>  Found in: Mainly used in hair care products such as shampoos, conditioners, and repair masks, but also in certain skin care products for their restructuring properties.<\/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-35685","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\/35685","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=35685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}