What is brewing in one�s life? This is not an apt question to be asked in the present time because widely use of social media publicizes one�s personal and professional events. In fact, people are delighted to share the same on the social platform. Today, the best and cheapest way of attracting customers is to promote brands on social media by initiating fascinating and attention seeking campaigns. Therefore, the researcher tried to add scholarly knowledge by carrying out a minor research with the view of studying social media marketing campaign of selected cosmetic brands. For this study, four leading cosmetic brands namely L�Oreal Paris, Lakm�, Maybelline Newyork and Revlon were chosen. The study was entirely based on secondary data collected from the concerned social media channels. It was found that all four selected cosmetic brands were promoted on Facebook, Twitter, YouTube and Instagram by the way of Hash Tag move and Contests. Besides, the highest numbers of followers were of L�Oreal Paris on Facebook while the highest numbers of videos uploaded on You Tube were of Lakm�. Similarly the total number of followers of L�Oreal Parish, Maybelline Newyork, Lakm� and Revlon on Instragram are 101K, 8.7M, 909K and 1.9M respectively. When it comes to number followers on twitter, Maybelline Newyork is leading with 701K followers on Twitter.