Effects last a few months to a year. The main risk is an allergic reaction to bovine collagen, which could cause swelling, redness, or flu-like symptions. There is a rare risk of infection. Contour irregularities may occur. Done Veins are injected with a solution that irritates the lining, causing fibrous tissue to develop.
Blood flow stops, veins collapse and eventually disappear.
Two or more sessions are usually required. The effects are permanent. Reddish blotches can take months to a year to fade. Rarely, skin injury can leave a scar. An instrument blasts fine aluminum oxide particles to exfoliate the skin, smoothing fine lines, wrinkles, and acne scars.