Influencer marketing has become a new strategy that shapes consumer behavior and purchasing decisions through videos and posts. This is shown particularly when looked at through social media platforms like Instagram and TikTok. Influencers have the ability to create personalized and interactive content to share directly with their audiences enhances brand engagement and overall purchasing intention.

Social media influencers significantly impact consumers purchasing decisions by showing trust, authenticity, and overall credibility. This allows viewers to trust influencer opinions and ultimately follow what they say to be true. Additionally, influencers who show expertise, interact with followers, and demonstrate reliability contribute to higher consumer trust, making influencer marketing more persuasive than traditional advertising in today’s digital world.

As a result, more brands are leaning toward influencer marketing to showcase their products since it has been seen to bring in more revenue to their company. Recent research highlights that factors such as influencer attractiveness and quality of content play a major role in how strongly influencers shape consumer behavior. Consumers often take into consideration what influencers have to say about a product, using their recommendation instead of referencing traditional advertisements, since influencers give a sense of reliability and authenticity.

Research on digital marketing content shows that influencers foster consumer engagement by being authentic. This positively affects consumer behavior, which contributes to greater trust, satisfaction, and ultimately influences purchasing decisions. The impact of influencer credibility is strong when looking at impulsive buying behaviors. When consumers trust influencers, they are more likely to make impulsive purchases. Most discussions of social influence focus on social persuasion and compliance.

In the context of influencer marketing, influence is less about advocating for a point of view or product than about loose interactions between parties in a community (often with the aim of encouraging purchasing or behavior). Although influence is often equated with advocacy, it may also be negative. By examining consumer engagement through self-determination theory, where influencers foster engagement by aligning with consumer motivations and intentions, this adds a better understanding of influencer influence since it shows how influencers cater to what their consumers want to see.

Although influence is often associated with advocacy, it may also be negative. Some research highlights that negative influence may grow when viewers see influencer marketing as inauthentic, especially when looking at influencer directed campaigns that can lack the trust built by brand loyalty. This highlights the importance of authenticity in influencer marketing and overall consumer trust in brands and influencers. 

A review further dives into that authenticity, credibility, and trust are central to effective influencer marketing. This highlighting that influencers who appear fake risk damaging both brand reputation and consumer relationships. The two-step flow of communication model was introduced in The People’s Choice (Paul Lazarsfeld, Bernard Berelson, and Hazel Gaudet’s 1940 study of voters’ decision-making processes), and developed in Personal Influence (Lazarsfeld, Elihu Katz 1955) and The Effects of Mass Communication (Joseph Klapper, 1960).