CE Certificated 650nm Laser Hair Growth Machine for Salons Laser Hair Growth Machine Product 1. Product Overview This equipment is a multi-functional low-level laser therapy (LLLT) cold laser hair growth device adopting 650nm medical golden-wavelength semiconductor laser light source. It generates no thermal burns and has no known side effects. Through photobiomodulation, it improves scalp microcirculation and activates dormant hair follicles to prevent hair loss, boost hair