A big hug. For girls and women. And for boys and men, a peg with a ball.
Explanation:
Research is crucial when it comes to world of beauty as we gotta keep up with trends somehow in order to know the market and actually make profit from it. If we know a little about the market at some moment, we would not make something innovative that people would like. As cosmetology and beauty go together, it’s important to be in fashion world as well. We have to know our costumers. We have to know what they like.
A witness has to be at least 18 years of age. They can be a stranger or a family member. There is no rule that a person of the treatment team can't be a witness but it's is not recommended and is not advised to do so.
Hope this helps! ^-^