Dr. Pen A9 Hair Growth Combo Cartridges (5-pack) Serum Unlike traditional acid-based peels that

Unlike traditional acid-based peels that work only on the surface

Nano-needling therapy is great for helping serums absorb better into the skin

- Acne scarring & other body scarring

Apply only light pressure when using the device

Dr. Pen A9 Hair Growth Combo Cartridges (5-pack) Serum Unlike traditional acid-based peels thatIntroducing the NEW Dr. Pen A9 Hair Growth Combo Cartridge Pack, specially curated to stimulate hair regrowth and address hair loss concerns through microneedling the scalp. With Dr. Pen's advanced microneedling technology, you can look forward to fuller and healthier hair. The 24 pin and 36 pin microneedling cartridges for the Dr. Pen A9 are designed to stimulate the production of collagen and elastin in the scalp, crucial for the health of hair