There are a number of reasons that might have an influence on hair loss, like:
- Stress: Long periods of hard physical and psychological strains might interrupt hair growth. This stress, might cause the hair to remain longer in the ‘rest’ phase, and slows down, or even stop, hair moving into the next ‘growing’ phase, and one begins to notice ‘thinning’ of hair. This hair loss is often temporary, as hair begins to grow again 3-4 months after the period of stress is over.
- Medicine: There are a number of medicines that have the unfortunate side effect of causing hair loss. Similar to stress, this is often only a period of temporary hair loss.
- Chemotherapy: Drugs used in chemotherapy can cause alopecia or hair loss, sometimes totally during the period of treatment.
- Nutrition: Insufficient amounts of proteins, vitamins etc. can in severe cases lead to hair loss. On the contrary, eating large amounts of vitamins, above the normal amount, does not increase hair growth.
- Tinea Capitis (fungal infection): It is a disease caused by a superficial fungal infection of the skin of the scalp, eyebrows, and eyelashes, with a propensity for attacking hair shafts and follicles. The disease is considered to be a form of superficial mycosis or dermatophytosis.
- Trichotillomania (hair-pulling disorder): It is commonly known as an impulse control disorder or form of self-injury characterized by the repeated urge to pull out scalp hair, eyelashes, facial hair, nose hair, pubic hair, eyebrows or other body hair, sometimes resulting in noticeable bald patches.
- Hair treatments and styling: Hair dyes, perms, hair sprays, styling gels and holding crèmes can cause hair loss. If these products are used too frequently, if they are allowed to build upon the hair strands, or if they are used in excessive amounts they can weigh hair down, dry it out or weaken the strands. When this occurs hair strands can break, split and fall out. The result is premature thinning of the hair or hair loss.