Scalp PBM Mechanism — Stem Cells

Wavelength: 670 nm
Irradiance: 8 mW/cm²
Dose: 4 J/cm²
Duration: In vitro and mouse models

Category: Hair & Scalp

Journal: Journal of Investigative Dermatology (2015)

Key finding

PBM activated Wnt/β-catenin stem cell pathway in dermal papilla cells; telogen-to-anagen conversion confirmed.