If you’re looking for a better understanding of your hair loss or doing research for a loved one, we’re here to help. Ahead, we’ve curated a guide to the most common types of hair loss, with expert insight from certified trichologist William Gaunitz, WTS. Alopecia areata can change into an advanced form called alopecia totalis that spreads from a circle to the entire head, including the eyebrows, eyelashes, and facial hair. Left untreated, it can go a step further and affect the entire body, turning into something called alopecia universalis.
