Dermatologists like Rossi think people can skip showers altogether, multiple days per week. This view isn’t unanimous, though ...

Soap combines fats or oils with sodium hydroxide (in the case of soap bars) or potassium hydroxide (for liquid soap). These ingredients are very effective at breaking down dirt—too effective ...

The natural oils are then mixed with either potassium hydroxide to create a liquid soap or sodium hydroxide to create a solid soap. The resulting formula is a gentle and effective cleanser with a ...

Soaps play a vital role in keeping clean. They are salts made from the alkaline hydrolysis of fats and oils (triglycerides). Fat molecules contain three ester links. These can be hydrolysed when ...