Description La Roche-Posay Serozinc 150 ml is a solution of zinc sulfate and sodium chloride. La Roche-Posay Serozinc 150 ml: - Soothes razor burn. - Cleanses superficial skin irritations. It takes care of the infants bottom skin (after washing with a mild soap). Preservative-free, paraben-free. Caution : This product is an aerosol and can only be shipped to countries within the European Union and Switzerland. Sales of La Roche-Posay products are limited to the European Economic Area and to 6 identical products per day per customer