The purpose of the Beige Zero Waste Soap Campaign Poster is to promote a sustainable lifestyle by encouraging individuals to use soap bars instead of liquid soap in plastic bottles, thereby reducing waste and plastic pollution. The poster aims to spread awareness about the negative impact of plastic waste on the environment and promote simple yet effective solutions to address this issue. By choosing a beige color palette, the poster intends to convey the message of simplicity and minimalism, in line with the zero-waste lifestyle.