SIOUX CITY — Traditional soaps materialize from two key ingredients: A kind of oil or fat (olive oil, hempseed oil, castor oil, animal fats, whatever it may be) and the highly caustic and toxic ...

The soap-making process began with pouring clean water into the top of the hopper. The water slowly percolated down through the ashes, emerging at the bottom as a red liquid potash known as lye. The ...

Increased hygiene awareness and demand for chemical-free products encourage new women-led ventures, retail outlets and online sales, revitalising Kashmir’s small but growing soap industry, reports ...