DHT itch's existence is debated, with some claiming it's real and others saying it's psychological. Finasteride, Ketoconazole shampoo, and addressing scalp conditions like dandruff or eczema may help reduce itchiness.
Cold shock therapy may promote hair growth by stimulating follicular muscles and affecting stem cells. The exact mechanisms and full range of elements involved are not yet fully understood.
The conversation discusses using oral castor oil as a hair growth stimulant for beard and scalp hair. One user questions its use, noting castor oil is typically a laxative in the Philippines.