频繁烫染发或致肝损伤！重要提醒→

Core Viewpoint - Frequent hair dyeing and perming may pose various health risks, including damage to hair, scalp, and liver, as well as potential allergic reactions and chemical exposure [3][6][7]. Group 1: Health Risks of Frequent Hair Treatments - Frequent hair dyeing and perming can lead to dry and brittle hair, sensitive scalp, and long-term health risks due to chemical exposure [3]. - Common allergic reactions include scalp redness, itching, and more severe symptoms like swelling and blisters [4]. - Hair dyes and perm solutions can damage hair and scalp, affecting follicle health and potentially leading to dandruff or hair loss [5]. - Many hair dyes contain toxic chemicals, with nearly 90% of tested products containing harmful substances like nitrobenzene and aniline [7]. Group 2: Individuals Advised Against Hair Treatments - Individuals allergic to hair dye components should avoid these treatments [9]. - Those with scalp injuries or skin conditions are at higher risk of harmful absorption of chemicals [10]. - Elderly individuals and those with liver or kidney dysfunction should refrain from hair treatments due to weakened resistance [11]. - Pregnant or breastfeeding women are more susceptible to allergic reactions [12]. - People with a family history of cancer should minimize hair dyeing to reduce cancer risk [13]. Group 3: Recommendations for Hair Treatments - It is recommended to limit hair dyeing and perming to no more than twice a year [15]. - Hair dyeing and perming should be spaced at least two weeks apart to minimize damage [15]. - Care should be taken to avoid applying dye directly to the scalp and to thoroughly wash hair afterward to reduce chemical residue [17][20]. - Mixing different brands of hair dye should be avoided to prevent chemical reactions that could increase allergy risks [18]. - Sensitive individuals can apply a protective layer of lotion on the scalp before dyeing and should conduct patch tests to check for allergic reactions [19].