Netflix’s new series Apple Cider Vinegar tells the shocking story of a woman named Belle Gibson, who pretends to have cancer and then “cures” it with a healthy lifestyle. But it also draws attention to largely unproven methods of cancer treatment, like black salve.

Throughout Apple Cider Vinegar, journalists are investigating Belle. One of them, a journalist named Justin (Mark Coles Smith), learns about Belle from his partner Lucy (Tilda Cobham-Hervey), who takes solace in Belle's feed while she’s undergoing breast cancer treatment—and even decides to pause it altogether and try alternative remedies.

Vinegar has been used for thousands of years as a tool for pickling, food preservation, medicine and more -- and for good reason. Nowadays, due to its antimicrobial and antioxidant properties, apple cider vinegar has gained popularity as both a health and home hack.

Recounting the rise and fall of Belle Gibson, an Australian snake-oil saleswoman who made a name for herself via a wellness business that was predicated on lies and fraud, Apple Cider Vinegar is another entry in the burgeoning subgenre of stories about entrepreneurial female hucksters that also includes Inventing Anna and The Dropout.

To begin with, there is no scientific evidence that proves ACV is beneficial for your hair. However, there is some anecdotal evidence that proves that it can help treat dandruff?