Frank's RedHot Original Cayenne Pepper Sauce is very mild for hot sauce. The Scoville rating for this sauce is 100-900 SHU (Scoville Heat Units), while the other Frank's RedHot sauces are rated at 2,500-5,000.  Here is a list of the FRANK'S RedHot products with their Scoville ratings: · Frank's RedHot Original Cayenne Pepper Sauce 100-900 SHU · Frank's RedHot Buffalo Wing Sauce 2,500-5,000 SHU · Frank's RedHot Sauce Fire Jalapeno & Garlic 2,500-5,000 SHU · Frank's RedHot Buffalo Parmesan Garlic Sauce 2,500-5,000 SHU