Exposure to harsh weather conditions (sun, wind, cold), swimming in chlorinated water, and using harsh shampoos or styling products can strip hair of its natural oils and lead to dryness and split end...
Rough handling of hair, such as vigorous towel drying, aggressive brushing, tight hairstyles, and friction from clothing or accessories, can cause physical stress and split ends.
Hair coloring, bleaching, perms, and relaxers can weaken the hair structure by altering its protein bonds, making it more prone to breakage and split ends.