头发开叉其实是种病 3步就能改善

Core Viewpoint - Hair issues are not limited to hair loss; split ends are also a significant concern, indicating underlying hair health problems [1][3] Group 1: Hair Structure and Abnormalities - Hair is a specialized structure known as "hair shaft," primarily composed of keratin, which is also found in nails and animal hooves [4] - Abnormalities in hair structure, termed "hair shaft abnormalities," differ from hair loss, which is related to follicle issues [4][6] - There are two classifications of hair shaft abnormalities based on hair brittleness, which can lead to breakage or structural irregularities without breakage [4][6] Group 2: Causes of Hair Shaft Abnormalities - External factors are the primary causes of hair shaft abnormalities, including mechanical, chemical, and thermal damage [6][7] - Mechanical damage can occur from excessive brushing, rough towel drying, and tight hairstyles, leading to structural loss and dullness [9][10] - Chemical damage arises from hair treatments like dyeing and perming, which can weaken the hair structure due to harsh chemicals [11][12] - Thermal damage from tools like hair dryers and straighteners can create internal bubbles in the hair, leading to fragility [13][14] - Environmental factors such as UV exposure, humidity, and pollution can also contribute to hair damage, particularly from prolonged sun exposure [14] Group 3: Solutions for Healthy Hair - Recommendations to maintain healthy hair include reducing mechanical damage by avoiding harsh treatments and minimizing heat exposure [16][17] - The use of conditioners is advised to help repair damaged hair surfaces and improve manageability [15][17] - Shortening hair length can reduce mechanical stress and the risk of damage, particularly for individuals with long hair [15][18]