The Norwood Hair Scale

Norwood Hair Scale (or Hamilton-Norwood Scale) is a leading classification system for measuring the extent of male pattern baldness. Men typically lose their hair in one of several popular styles.

The Norwood hair scale was developed in 1951 by Dr. Hamilton and expanded in 1975 by Dr. Norwood. It is the measurement used by dermatologists and hair clinics to indicate how serious the hair loss is in androgenic alopecia and in which areas it occurs, to determine the treatment with greater precision.

Norwood hair scale shows your hair loss level and classifies hair loss levels in degrees from 1 to 7, with 12 different loss types.

In addition to determining the level of your hair loss; moreover, it gives an approximate idea of the type of treatment that should relate to your hair loss. If the hair loss is in a high stage, it may be troublesome to win your hair with a pharmaceutical. In such cases, you ought to have your right hair transplantation.

Male alopecia usually has genetic and hormonal causes, although certain nutritional deficiencies or times of stress can also play a role. If it is due to these last two causes, it will be male alopecia but of the telogen effluvium type.

It occurs after the age of 20, although it can appear at younger ages, and with advancing age, it can affect up to 80% of the male population.

Thus, capillary density begins to be lost in the frontal and temporal areas (entrances), to continue in the crown. The hair follicles in these areas are more sensitive to androgens, hormones that cause progressive miniaturization of the follicles until they completely disappear.

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