​Potassium hydroxide is crucial in producing potassium soaps, which are often used for their milder cleansing properties in skincare products.

Potassium hydroxide is employed in photographic development processes to enhance image fixation and quality.

Potassium hydroxide is essential in the manufacturing of fertilizers, enriching soil with potassium for improved crop growth.

Sodium hydroxide plays a role in the petroleum industry by refining crude oil into valuable products like gasoline and diesel fuel.