• Hydra.Pen H3 combines the advantages of Dr.pen and Dermapen. • Automatic serum applicator that increases absorption by 90%. • Stimulates cell regeneration and doubles the healing effect. • 12 Pins to remove acne marks and stretch marks. • 24 and 36 Pins to combat wrinkles, hydrate, and firm. • Nano-HR to reduce pores and fine wrinkles, providing daily care. • Nano-HS to repair sensitive skin. • Applicable for face and body, and stimulates hair growth. • Adjustment of liquid quantity according to serum viscosity. • Speed level control for liquid output. • Individually sealed cartridges to prevent cross-contamination. • Economical and safe home use, ideal as a gift. • Not suitable for open wounds or sensitive skin.