20. Soaps Were Once Made From Whales
In a process called saponification, whale blubber was boiled with sodium hydroxide to produce soap.
Not like the average soap used in bathrooms nowadays, soap made from whales was used in industrial-grade cleaning. This was because the soap derived smelled foul and had a tendency to discolor items it was used for washing.
There weren’t many ways to create cosmetic soaps until the process of hydrogenation was discovered and eventually plant and synthetic-based options were found. Though technological advancements have now made it possible.
Demands for blubber-based soaps still retain a niche market share in countries like Canada.
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