Pharmagel bio-a concentrate is an anti-aging and rejuvenating dermal serum containing retinol-a the purest most stable form of vitamin A. This all natural age defying prescription for the skin reverse the visible sings of aging, wrinkles crows feet and fine lines. Bio-a concentrate stimulates and rejuvenates skin cells for younger facial contours. Bio-a resurfaces skin smoothing and softening wrinkles and sagging skin. Vitamin A is a primary antioxidant that neutralizes free radicals. Wrinkles and crows feet are dramatically diminished with stabilized vitamin A.