DHT (dihydrotestosterone) is a hormone formed from the conversion of testosterone by the enzyme 5-alpha reductase. It attaches to hair follicles, causing miniaturization and leading to male pattern baldness. The video describes DHT as "the enemy" in hair loss.
This video provides seven tips for men experiencing hair loss, focusing on preventative measures and treatments to stop hair loss and potentially regrow hair. The speaker emphasizes acting early and utilizes medical terminology throughout the explanation of treatments.