Urgent! Urgent! How to visit a company?

I think you are very promising, so you quickly set a goal. Pursue what you like. First of all, I think you should prepare a self-introduction, explain your ideas, why you came to their company for inspection, and hope to get an internship opportunity. In order to show your efforts in cosmetics research and development, since you want to develop it, you have to go to the R&D department for advice first.