It is possible to grow your Instagram profile organically. To do this, just work on real relationships and the engagement tools offered by the platform: hashtags to increase the reach of your content, Instagram Stories to "put your face on it" and show a more human and interesting side of your brand, surveys, questions, and much more.
In addition, to increase the number of people reached uk number for whatsapp through the platform, you can launch Instagram contests: photo or video contests where you ask users to share content to participate in a draw for one or more prizes. In this case, obviously, you must pay attention to the Italian.
legislation on prize contests (you can read more here) and you will not be able to use Instagram as a venue for the contest, but it will be necessary to rely on external platforms such as the one offered by Leevia. In this way, you can create the organic engagement and development of a real community, rather than one promoted by an application that violates the platform's guidelines.