Replacement Cartridges for Every Skin Concern
Always use a fresh cartridge for every microneedling session. A new needle head ensures optimal sharpness, consistent depth, and hygienic treatment â all of which directly impact your results. Dull or reused needles create uneven micro-injuries, increase discomfort, and raise the risk of skin irritation. Sandy recommends replacing your cartridge every session, without exception. Not sure which needle count or depth is right for you? Visit our FAQ guide on choosing cartridges, needle lengths and speed â or reach out to us directly.