What is punchline of fair and lovely?

The punchline of "Fair and Lovely," now rebranded as "Glow & Lovely," revolves around the idea that beauty is often equated with fairness in many cultures. The advertising promotes the notion that lighter skin can lead to better opportunities and social status, which has sparked significant debate about colorism and its impact on self-image and societal values. Critics argue that this perpetuates harmful stereotypes and reinforces the idea that one's worth is tied to their skin color.