Qtica Intense Total Hydrating Therapy 170g. Qtica treatments and Smart Spa offers salons and spas high quality, healthy, natural ingredients at incredible prices. Qtica are one of the first to remove toxic ingredients such as toluene, camphor, formaldehyde, formaldehyde resin and DBP (dibutyl phthalate) from its formulations. Art of Beauty maintains its focus on the health and well being of salons, spas and consumers.