2. So emulsion (emulsion) can't replace cream.
3, general dry skin cream, oily skin lotion, mixed skin depends on the specific situation, specific brand specific products. Generally, people around the age of 20 have too much oily skin to use cream. But it is not absolute. Before deciding what products to use, you should know what kind of skin you are. The easiest way is to go to a cosmetics store and ask them to test your skin for free, and then they will give you good advice.