Author Name: Riya Kaur Kalsi Date: 19-02-2024 In this research, we analyze the subtleties of influencer advertising in link to youth’s buyingbehaviours in the Delhi NCR and also exactly how influencer’s impact customer’sunderstandings as well as options within this specific market combined with geographicalsetup. Important findings show the considerable influence that influencer advertising has onthe acquiring habits of young people and also made clear just how influencers from the pointof view, choices, and also eventually the intent of consumers to purchase. This study adds tothe more comprehensive academic structure of customer’s actions. It offers a very usefulunderstanding for marketing experts wanting to maximize their influencer advertising andmarketing campaigns in the cosmetic sector by evaluating the intricate characteristics betweeninfluencers coupled with customers. This research study adds to the more comprehensiveacademic structure on customer actions. It offers important understanding for marketing expertslooking to enhance influencer advertising and marketing initiatives in the cosmetic market bydisentangling the intricate communications between influencers together with customers. Thisresearch’s verdict highlights the vital influence that influencer advertising and marketing playin persuading young people’s choices to get cosmetics. This research supplies marketing 5experts plus organizations in the Delhi –NCR location with an extensive evaluation that mixesscholastic understanding with real–world applications. This research marks clear influencers’complicated strategies to affect customer practices, with aids in our understanding ofadvertising and marketing as an effective technique outside our cosmetic industry. Keywords– Influencer advertising, Cosmetics, Buying habits, Young Adults, social media plus DelhiNCR .