I also see that it was upsetting to you that the family therapist asked or suggested that your parents have you strip down so that they can see whether you are still self injuring, actually see the cuts.

as a minor in your parents care the therapist probably had no choice but to make that suggestion.

Therapists have a set of rules they have to go by in situations where they may have minors who are hurting their self or are getting hurt by others.

following that set of rules is never fun so most therapists choose educating first like providing parents with what to do if they have a minor child who is hurting their self or getting hurt by someone else, work with the family.

keep working with this therapist and its ok to ask them when you dont understand things they are suggesting.