The Capillus272 laser cap is a drug-free, FDA-cleared, low-level laser device, with just a slightly lower number of diodes than the CapillusRX312 laser cap.This portable and rechargeable low-level laser light therapy device is proven to regrow your own living hair. Recommended for those post-hair transplant, thinning hair, as well as hair loss prevention and overall hair health. Use 6 minutes each day.