- Chemical causes hair damage, along with other environmental factors
Colouring your hair causes damage to the shaft, which can further lead to dryness, frizziness, split ends, dry and itchy scalp, hair breakage, loss of texture, and dry and rough hair. Hair dyeing or hair colouring does not actually stop the hair growth but causes damage to the hair that can lead to hair loss. Permanent and semi-permanent hair colours contain chemicals like peroxide and ammonia, which loosen the telogen hair and also damage the hair cuticle by opening them up. The physical weakening of the shaft leads to increase hair loss. Most individuals who regularly colour their hair notice shortening of hair length and need of frequent haircuts.