List of Cosmo Prof Stores in San Luis Obispo, CA Outlet Note Regular Brands Cosmo Prof California San Luis Obispo Rating 4.8 based on 94 votes Official Website http://www.cosmoprof.com/ Products Cosmetics NameAddressPhone Name/Address/Phone Cosmo Prof outlet - San Luis Obispo 12314 Los Osos Valley Rd (805) 541-2121 People Also Viewed