Fish oil, derived from the tissues of oily fish like mackerel, salmon, and sardines, has gained significant attention in both the cosmetic and therapy industries. This natural substance is rich in omega-3 fatty acids, such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), which are known for their numerous health benefits. Over the years, fish oil has been recognized for its potential to improve skin health, promote hair growth, and provide therapeutic effects for various conditions. As a result, it has become a popular ingredient in cosmetic formulations and a subject of interest in therapeutic applications.