This intense serum has been clinically proven to decrease the length and depth of wrinkles by 29 in 4 weeks part of the formula biotech range of targeted skin care which has clinically proven results to reduce wrinkles diminish dark spots or firm and lift item details when used daily this concentrated serum is proven to smooth out fine lines and wrinkles leaving a smoother more youthful appearance clinically and independently tested by 30 women with wrinkled skin showing visible signs of