Apple cider vinegar has long been a wellness-trend main character—and for good reason. It’s most commonly known for supporting gut health, but it turns out using apple cider vinegar on hair also has some serious perks. “Consider your hair and scalp condition before using apple cider vinegar,” trichologist and master stylist Dawn Bacchi tells Glamour. The benefits of apple cider vinegar for hair“The hair benefits of apple cider vinegar are amazing,” Bacchi says. Hairstylist Adam Federico, R+Co vice president of technical education, says the same: “Apple cider vinegar is wonderful in so many ways.