Grey market products can also be counterfeits or contaminated. They also cost more at what many consumers traditionally think of as bargain stores.
"You're gonna pay more of a premium for that product because they still have to make a profit off it. They're not getting it that much cheaper," said Kenny West, Red Door Salons.
You may want to think twice before buying hair care products at retail outlets if they come with labels saying "salon only" or "exclusive salon distribution."