Hair loss is a natural phase of the hair growth cycle. You can lose between 50-150 hairs per day. Even if it seems that you lose a multitude of hairs there is no need to worry. As long as it is a normal hair growth phase – its density remains stable.

Excessive hair loss

However, when you notice hair thinning or bald spots or a receding hairline it can mean that you need to contact a doctor. If you experience sudden hair loss or it is exceptionally excessive, you should consult a dermatologist. A dermatologist can find the underlying problems and pathologies connected with excessive hair loss such as iron deficiency, thyroid problems or hormonal imbalances, being side effects of some medicines which can result in hair loss.

the process of hair loss

hair loss process

Hair loss statistics

A healthy person can lose between 50-70, and even 150 hairs a day. If you lose more than 150 hairs you should consult a specialist. People have about 100,000 hairs on their heads. Each follicle produces a hair which grows within the range of a few to a dozen millimeters a month. A hair growth phase takes on average 2-6 years. Just before the hair falls out it is in a resting phase. It is quickly replaced with a new hair and the whole cycle starts again. A minimum of 85% scalp hair should be in a growth phase. Hair in a resting phase regularly falls out which is a natural physiological process. The majority of people observe that they lose about 50-100 hairs daily.

The most common causes of hair loss

  • Stress – in the period of intensive anxiety and stress – results in hair loss.
  • Thyroid diseases – a symptom of thyroid problems can be excessive hair loss.
  • Poor diet – weak hair can result from vitamin and mineral deficiencies such as iron, vitamins H and A, folic acid, silicon, magnesium and zinc.
  • Medicines – it is recommended to check if the medicines you take cause side effects e.g. hair loss.
  • Anaemia – iron and zinc deficiency can result in excessive hair loss. It is recommended to do blood tests.
  • Hormones – an androgen sex hormone, dihydrotestosterone, affects follicles leading to androgenetic alopecia in men (receding hairline) or situated on the top of the head in women.
  • Improper haircare – you should avoid frequent hair dying, bleaching or using intensive styling products.
  • Skin diseases – for instance, dermatophytosis, psoriasis, dandruff, seborrhoeic dermatitis etc.
  • Season of the year – usually in autumn and spring when your body can be weaker and more hair is falling out than usual. Therefore, it is recommended to eat foods rich in vitamins and minerals to nourish the body and hair.
Dr Piotr Turkowski

About Dr Piotr Turkowski

Aesthetic medicine doctor, specialist and enthusiastic surgery, completing the specialization in plastic surgery. The only officially registered member of the international hair restoration surgery (ISHRS) in Warsaw, which brings together the world's best specialists in this field.

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