Registered nurses (RNs)
Yes, under physician delegation; scope defined by Board of Nursing
Nurse practitioners & physician assistants
NP/PA may inject under collaborative agreement with physician; independent practice not permitted for injectables
Supervision & the medical director
Required for medical spa operations
The exam requirement
Required; in-person examination mandatory before treatment
What to verify in New Hampshire
Establish a written collaborative agreement with your medical director and document all delegation protocols before opening.
Primary source: New Hampshire Board of Medicine and Board of Nursing
General business information for New Hampshire medical-spa owners, current as of 2026 — not legal advice. State boards update rules often; confirm specifics with the New Hampshire board (and your own counsel) before you act.