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How Many Times Can You Use a Dr. Pen Cartridge? The Single-Use Answer

One Dr. Pen cartridge is for one person and one session, not for a second pass next week or reuse later the same day....
Post by Bruun Beauty
Oct 04 2026

Choose Between Pin Counts, Nano Cartridges and Model Fit

Match a cartridge to your exact Dr. Pen model before comparing pin counts or nano styles. Pin count affects coverage and sensation, but it...
Post by Bruun Beauty
Jul 19 2026

Dr. Pen Settings for Stretch Marks: A Step-by-Step Guide

What if the reason your favorite stretch mark creams aren't working is simply because they can't reach the deep dermal layers where the texture...
Post by Bruun Beauty – Microneedling Serums, Dr. Pen & Jelly Masks
Jun 25 2026