Yes, bars of soap made with animal fat can be clean and safe to use. Soap is created through a process called saponification, where fats or oils react with an alkali (such as lye) to form soap molecules. Whether the fat used in soap production comes from animal or plant sources, the saponification process transforms it into soap, which is effective at removing dirt, oils, and germs from the skin.
Soap made with animal fat, often called tallow soap, has been used for centuries and can provide effective cleansing properties. The saponification process neutralizes any potential pathogens present in the fat, making the resulting soap safe for use. It's worth noting that modern soap-making methods, including commercial production, often use a combination of different fats and oils, including both animal and plant sources.
If you prefer to use soap made from plant-based oils, there are many options available, such as vegetable glycerin soaps or soaps made with oils like coconut, olive, or palm. These soaps are equally effective at cleaning and are suitable for those who prefer to avoid animal-derived ingredients.
Ultimately, the cleanliness and safety of soap depend on the ingredients used and the manufacturing process, rather than whether the fat source is animal or plant-based.