This report analyzes Procter & Gamble's (P&G) change management process in integrating sustainability with profitability, focusing on the Head & Shoulder Beach Plastic Bottle project. It uses Lewin's change management model and the Ohio Model of leadership to explore P&G’s leadership in this area. The analysis covers both internal operational changes, such as acquiring plants for processing recycled plastic, and external changes, including collaborations with TerraCycle, Suez SA, Carrefour, and Rewe. The report highlights how P&G's initiatives align with the 'unfreezing' stage of Lewin's model and reflect the principles of the Ohio leadership style. The author reflects on their experience and insights, concluding that sustainability promotes profitability and emphasizing the importance of apex management support and external collaboration in strengthening sustainability initiatives. The report suggests further collaboration with customers to enhance the bottle collection process.