Complex sentence: Most early hard soaps were manufactured using animal fats and KOH from wood ash, these were broadly solid, however the majority of modern soaps are manufactured from polyunsaturated triglycerides such as vegetable oils.
Split into simpler sentences: Most early hard soaps were manufactured using animal fats and KOH from wood ash; these were broadly solid. However, the majority of modern soaps are manufactured from polyunsaturated triglycerides such as vegetable oils.