Q: How often should you use a 0.75mm derma roller?
A: Every two to three weeks. This is the longest of the three lengths, so skin needs considerably more recovery time between sessions.
Q: Is a 0.75mm derma roller safe to use at home?
A: Yes, with care and strict hygiene, but it is not a starting point. Begin at a shorter length and only move up once your skin is used to it.
Q: How do you clean a derma roller?
A: Rinse under hot water, then soak the head in surgical spirit for a few minutes and let it air dry in its case. Do this before and after every use, and never share one.