비아그라의 5가지 필수 요소

Shake the bottle nicely for a minimum of 10 seconds before Just about every use. Get rid of the cap by pushing it down and twisting it counter-clockwise. Push the plunger with the syringe, then insert the tip in the bottle whilst Keeping the bottle upright on a flat floor. Gradually pull back again the plunger until the essential dose. If the thing