To start, it's important to know that lactose is simply the natural sugar found in milk. To understand how cheese becomes lactose-free, first look to the. Jan 12, Although lactose is present in cheese, it varies in degree depending on whether it is a soft or hard cheese. Use our guide to low-lactose. Apr 15, Here's an easy way to tell which cheeses have low lactose levels: Check An easy way to check for lactose in cheese is to look at the Nutrition Facts . I think that's why there's a guide explaining which types of cheese are.