Retail clients that want to find a high quality service provider for salon and spa services, that are looking for some way to distinguish the best from the rest. They would be ask or trained to look for the certification to assure them of the highest degree of quality service.
The specialists that work in this industry. They would have to qualify for the certification to use the logo on their signage, correspondence, etc. They would pay to get the certification. They would likely use the logo on the front door of their business, on their business cars, and in all their advertising.
Some of the terms associated with the technicians or specialists (though not all or any of these have to be used, I have furnished them) that perform these services are:
cosmetologist, hair colorist, skin care specialist, beautician, make up artist, esthetician, nail artist, dermatologist, hair styling, hair extensions, hair cuts, hair removal, hair coloring, hair highlights, hair loss treatment, eyebrow shaping, eyelash extension, acne treatment, wax hair removal, microdermabrasion, skin treatment, wrinkle treatment, makeover, manicure, pedicure, wedding and glamour makeup and hair services
A high percentage of the clients and specialists are women, but not all.