Weight loss and hair loss: The growing hair treatment market from GLP-1s

branneisha cooper started taking mounjaro in late 2022. she heard online about temporary hair thinning and prepped for the worst. about a year in, her hair started falling out in clumps. her provider told her rapid weight loss from the drug can cause it. she now prioritizes protein, takes vitamins, and uses scalp-stimulating products. glp-1 use has more than doubled since early 2024, per gallup. roughly one in eight u.s. adults — nearly 13% — are on one now. jpmorgan estimates 25 million americans will be on a glp-1 by 2030, up from 5 million in 2023. zepbound, mounjaro, ozempic, and wegovy all list hair loss as a possible side effect. dr. heather woolery-lloyd, a dermatologist, says it's common with any significant weight loss because the body takes in fewer nutrients and protein, and the weight loss itself is a stressor. circana estimates glp-1 households spend about 30% more on beauty products than non-glp-1 households. redken created a hair treatment line called the acidic grow full system, tested on glp-1 users. kera factor is seeing 100% year-over-year growth in its direct-to-consumer store from glp-1 users. cooper says her hair has started returning after about a year of paying close attention.