Most spas will operate a policy of only offering treatments to customers aged 16 years and over. In some cases, it may be aged 18 and over, and some locations will not permit those under the age of 16 to use the spa facilities at all. We will be able to advise you about this when booking. In terms of treatments, spas that do permit minors and young adults will offer teenagers under the age of 16 years old basic treatments such as mini-manicures or pedicures. However, anyone under the age of 16 does always have to be accompanied by an adult at all times.