https://growingszn.com/blog/ Daily notes from the Growing SZN research desk: hard water, hair science, and honest ingredient breakdowns. https://growingszn.com/blog/bulb-test-breakage-vs-shedding https://growingszn.com/blog/bulb-test-breakage-vs-shedding 2026-08-27T09:00:00-04:00 Hair in the drain does not automatically mean hair loss. The bulb test tells you in 10 seconds whether hair is shedding from the root or snapping mid-strand, and what each answer means.