Bar soap is a solid form of soap that is commonly used for cleaning the skin. It is made by combining fats or oils with an alkali, which creates a chemical reaction called saponification. This process results in a firm, solid product that can be easily held in the hand. Bar soap comes in various scents and formulations, catering to different skin types and preferences. Many people prefer bar soap over liquid soap because it often contains fewer synthetic ingredients and can be more environmentally friendly. Additionally, bar soap is typically packaged in minimal materials, reducing waste. It can also last longer than liquid soap, making it a cost-effective choice for daily hygiene.