Crystaderm Cream 1% 15gm. Crystaderm Hydrogen peroxide 1% w/w Topical Cream. A smooth white cream for topical application which contains 10 mg of hydrogen peroxide per gram of cream. For the prevention and treatment of primary and secondary superficial skin infections such as acne, cuts, scrapes, burns or school sores caused by organisms sensitive to hydrogen peroxide. Crystaderm is the strongest antibacterial cream available without prescription. Crystaderm treats and prevents minor infections in: