Two principal routes are used to manufacture soap on a large scale: direct saponification of oils and fats and neutralization of fatty acids.
Ingredient types
Perhaps one of the oldest products of man’s chemical manipulation, soap has been known for over 3000 years. According to legend, soap was discovered at the base of a hill called Mount Sapo. There, animals were sacrificed on altars and burned over wood fires.
UV absorbers are substances with the capacity to absorb UV light in the range between 100 and 400 nm and to convert it to a lower level of radiated energy, e.g. radiation in the form of fluorescence or heat.