Contract liquid soap production constitutes one of the basic elements of personal hygiene and has an important place in the cosmetics industry. Many cosmetic brands turn to third-party manufacturers (contract manufacturers) to produce liquid soaps with special formulations. Since contract manufacturers have an extensive production infrastructure, they have the necessary facilities and expertise to meet the quality standards of their customers and offer a variety of packaging options. This process allows brands to reduce costs, increase product variety and respond quickly to market demands. The use of quality raw materials, creation of the correct formulation and ensuring a hygienic production process are vital to obtain effective and reliable liquid soaps that meet the expectations of users.