There are many reasons for split ends.
Physiological factors such as split ends where the hair is too long and the oil cannot moisturize the ends.
Pathological factors such as plucking fetish, nodular brittle hair syndrome, hair tangles and abnormal hair shaft diseases such as bird’s nest hair and kinky hair syndrome.
environmental factors such as prolonged exposure to the sun, hot and dry and other harsh environments.
Lifestyle factors such as excessive scratching, frequent perming and dyeing, excessive blowing with hot air, frequent use of strong alkaline soap or shampoo to wash hair, lack of sleep, etc. can cause hair splitting.
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