Reviews / Subject
Category evaluations built from specifications and published evidence.
The lead / review
Photobiomodulation devices, including laser caps, sit in a crowded 510(k) category. Randomized trials of some cleared home devices show higher hair density than sham. That is evidence about a class, not a hands-on test of Regrowthy, and not the same thing as FDA drug approval. Culture Column and Regrowthy share ownership.
READ STORY
The argumentLow-level light and laser therapy for androgenetic alopecia is a real, studied category: a 2021 meta-analysis of seven sham-controlled randomized trials of FDA-cleared home devices found a significant increase in hair density versus sham. The American Academy of Dermatology tells patients that 'FDA cleared' on a laser means the agency recognizes it as a safe treatment, and that clearance requirements are much less stringent than FDA approval, which is the path minoxidil and finasteride used as drugs. 510(k) clearance is substantial equivalence to a predicate device, not a unique clinical trial of every new cap. Culture Column has not tested Regrowthy. Shared ownership is disclosed here so that sentence is not a footnote you could miss.
Continue reading
Latest in Research-Based
Do not let a laser cap delay a dermatologist. AAD: diagnose the hair-loss type first. LLLT is an adjunct with a months-long schedule. Shared ownership with Regrowthy is disclosed. This is not a test of the product.
