Adjustable needle depth , greatly improved treatment.Buying the suitable Derma pen:https://www.amazon.co.uk/dp/B07PGV4BS9 - The disposable needles-cartridges, safe and sanitary. - Promote absorption of toning lotion, gel and facial cream, rejuvenate and t
ULTRA-FINE NEEDLES - Each needle is well-made and ultra-fine. - CLEAN & SAFE - Each cartridge is sterile and single wrapped. - DISPOSABLE - Cartridges are disposable in order to avoid cross infection.