Influencer Marketing is using the influence of an opinion leader to promote your own products or brand. 

On Instagram, this translates into the use of influencers, people gathered hundreds of thousands or millions of followers around their personality, and creating original content around a special theme. 

Fashion, beauty, travel, lifestyle : millions of influencers offer content on the platform in all areas and countries. When they collaborate with brands to promote their products, it is called an Instagram collaboration, the final product of Influence Marketing.