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Home-Articles-Telogen effluvium: abundant hair loss

Telogen effluvium: abundant hair loss

Effluvium télogène : chute abondante de cheveux
Telogen effluvium corresponds to an abnormal fall of hair which are in the telogen phase, usually sudden and abundant. But how does this hair loss occur, what are the causes, how is it evolving and what are the possible treatments?


The hair loss due to telogen effluvium is usually quite sudden: there is much more hair at the bottom of the bath, on the pillow or on the hair brush. The hair can even stay in the hand by handfuls! In the case of a telogen effluvium, we can lose up to 30% of our hair (± 45,000). This abnormal loss is distributed on the whole scalp and not localized as in some other kinds of alopecia.

Three types of telogen effluvium are generally identified: sudden, that is a sudden loss closely related to the triggering element; delayed, which does not come immediately after the factor in cause; chronic, generally related to a state of health that persists or the continued intake of a medicine.


During a telogen effluvium, hair follicles find themselves in significant numbers and simultaneously in the catagen phase and then in the telogen phase, which will lead, 2 to 3 months later, to an abundant loss of hair. The causes of this disruption of the natural hair cycle are numerous, but it is usually a great physical or psychological stress: great emotional shock, for example the death of a close relative, surgery, accident, anemia, important and long-term fever, pregnancy and childbirth, taking or stopping certain medicines, etc.

Evolution and treatments

Fortunately, in most cases, the hair loss due to telogen effluvium is completely reversible: it is a temporary condition and as soon as the triggering factor is eliminated, the hair cycle returns to its normal course.

Meanwhile, the best approach remains a healthy lifestyle: a varied and balanced diet, with enough essential nutrients (zinc, iron, potassium); nutritional supplements to compensate for possible shortages; good sleep, in quantity and in quality; proper stress management; physical exercise and pure air.

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