I also agree with the fact that this is more of an opinion based claim rather than without a doubt true. The routine will vary from person to person, achieving different results and being done under different circumstances per person. Your sources are .com websites which makes them generally trustworthy, but there should always be a hint of hesitation because it's not certain that their claims may always be true. Some textual excerpts from the articles would help strengthen your point, such as: "In general, you should be cleansing your face at least twice a day. “You should wash your face both morning and night because the skin creates sebum and oil throughout the day,” says Saya Obayah, M.D., a board-certified dermatologist located in Austin, Texas." You should always check the article's sources to ensure for yourself, and your claim or answer, that the person(s) used are trustworthy sources.