Following a slew of consumer complaints, the U.S. Food and Drug Administration has issued a safety alert (which is rare for beauty products) regarding a line of cleansing hair conditioners by Wen — products that are already the target of an ongoing class-action lawsuit from 2014 over hair-loss claims. The low-lather conditioners from celebrity stylist Chaz Dean, which come in pomegranate, lavender, and sweet almond mint scents, prompted 127 FDA reports of adverse effects — including hair loss and breakage, balding, itching, and rashes….