Dr. Pen Needle Cartridges Explained: Your Guide to Choosing the Right Pin Count
You might think that more pins always mean better results, but choosing a 42-pin cartridge for deep acne scarring could actually hinder your progress....
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Bruun Beauty
Aug 17 2026
Dr. Pen Needle Cartridges Explained: A Comprehensive Guide
Are you accidentally sabotaging your skin goals by using a 36-pin cartridge when your skin actually needs a 12-pin? It's completely normal to feel...
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Bruun Beauty – Microneedling Serums, Dr. Pen & Jelly Masks
Jun 18 2026