- The scalp must be kept cool, so protection from sun and washing in cold or lukewarm water are paramount.

- Sound nutrition is key, so a hair-friendly diet should emphasize proteins, iron, zinc, sulfur, Vitamin C, Vitamin B-Complex and essential fatty acids.

- Use should be made of hair analysis to ascertain toxicity levels and nutritional deficiencies.

- Oils, for example sesame and coconut, should be applied to scalp to nourish, lubricate and strengthen roots. This will also improve circulation to head.

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1. High levels of an enzyme known as 5-alpha-reductase occur in cells of hair follicle.

2. This enzyme converts testosterone into DHT.

3. DHT causes miniaturization of robust terminal hairs.

4. This results in fine, soft vellus hairs that provide limited scalp coverage.

5. The growth phase gradually shortens until these hairs are lost permanently.

Propecia inhibits formation of DHT and over a period of several months reduces levels of DHT sufficiently to minimize its effects on hair follicle.

As with any drug, finasteride can cause side effects to a minority of users. The FDA trials reported a 2% incidence of varying side effects but these tended to lessen as body adjusted to drug over a period of months. Although Propecia or cheaper generic versions are easily obtained on internet it is strongly recommended that you seek advice of your doctor, at least in first instance.

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