Lanugo is only the first type of hair your baby will grow. Once the lanugo falls out, it's replaced by vellus hair. This is the soft hair that coats our bodies, commonly called "peach fuzz." ...

Testosterone is key for beard growth because its byproduct, dihydrotestosterone (DHT), triggers hair follicles to grow longer and thicker hairs. For transgender men, the growth of facial hair ...