Injerto Capilar Dr. Rafael de Freitas experto en Trasplante Capilar
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DR. RAFAEL DE FREITAS    INJERTO CAPILAR
HOME / Hair grafts / BHT Technique

BHT Technique

Technique used for extracting follicular units (hairs) from donor areas of other parts of the body in addition to the head, using the same extraction method of the FUE Technique.

In BHT, body hair is removed to recover the hair of those people who have a low density donor area on the head. The type of body hair, due to its genetic variant, is different from the hair of the head, both in colour and thickness, number of hairs per follicular unit, density of the donor area and growth rate. The success of the transplant varies from person to person.

Body hair has a growth of approximately 5-6 cm in length, since this hair has a short anagen phase and a very long telogen phase. Average hair growth is 2.5-5cm during 6 months approximately and then comes a long telogen phase (rest), the hair being this long for several years.

The type of body hair that most resembles hair on the head is beard hair, since its growth is similar and results are more natural.

Most of the hairs used come from thorax, abdomen the beard. They will be used in areas of the centre and vertex (crown), never in the frontal line and always mixed with follicular units of the scalp.

When proceeding to a BHT, we always look for a hair whose texture, colour and thickness are similar to hairs on the head. We will use this hair to interact with hairs of the existing receptor area in order to increase the density, in cases where the donor area of the scalp is not enough to restore alopecia. 

Disadvantages of BHT (Body Hair Transplant)

  • Larger extraction zone with lower follicular density.

  • Greater use of anaesthesia.

  • Greater number of follicular units of 1 hair compared to units of 2 hairs.

  • Higher level of transection.

  • In posterior hair the cut off is more closely attached to the fatty tissue.

  • Slower extraction speed.

  • Less coverage of the receiving area due to the thinner hair, resulting in a miniaturised hair look.

  • A test should be performed previously, following hair growth assessment after 6 months, before undertaking an extensive procedure.

CONCLUSION

In the technique of BHT (body hair transplant) no matter how many hairs we implanted, we would never cover the entire head, due to the growth, thickness and appearance of this hair.

In this technique an individual assessment is needed to determine if the patient is a possible candidate for this type of transplant.

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