These days, nothing really surprises me on social media, and there's seemingly no beauty trend too outside the box for us to get on board—or at least try for ourselves. The latest such trend? Onion shampoo, which has been doing the rounds on TikTok and Instagram, is being praised for its anti-hair-thinning properties. But let's be honest: social media isn't always the most reliable source of information. I spoke with a trichologist about whether this is a trend you can trust, and how to try it.
