Couperose Dual Solution combines a serum and a primer and was specially developed to reduce the appearance of couperose. Calms the skin, creates a more even skin tone. The serum and primer contain the 2% skin tone complex, which gives even problem skin a highly desired even skin tone appearance. Horse chestnut extract conditions the skin, helping to keep its proper moisture balance. Additional green pigments in the primer help to give the complexion a more even tone appearance.