Donna Llamas Electrology is a hair removal business in Petaluma, California focused on electrolysis. Its source materials describe electrolysis as a permanent hair removal method that uses a low-level electrical current, including galvanic current, to destroy the dermal papilla and matrix in the hair follicle. The business also provides information about excessive hair growth, noting factors such as heredity, age, hormonal imbalance, and certain medications.