There are several ways to increasing the number of non-fake followers. However, the easiest one is to create excellent content, which will increase people’s curiosity to view your account.
For example, photographing clothes is not enough if you have a clothing store. You need to interact with people, explain the difference between the types of fabrics, giving general information about tailors and international brands, and the latest fashion news, etc. + pictures of the store’s clothes. All of this will make it the best account, leading to an increase in the number of followers.
You can also apply the easy theory of 30.