Where it's at: Dennis’ Barber Salon/Hair Replacement Studio in Vacaville, California

Owner: Dennis Pecorella

Description: Safe, effective treatment uses a non-thermal laser to bathe the scalp in therapeutic red light which interacts with the body’s cellular metabolism to produce a fuller, thicker, healthier looking hair.

Price: $200 a month for two services per week; if clients buy three packages in advance, the fourth month of treatment is free.

Length of service: 30 minutes

Who performs it: Hair replacement tech

Products/tools needed: Salon laser

How it’s marketed: Website, with before and afters, local publications, word of mouth.

Average sold per month: 3-4 new clients.