It has been a long road since the first soap bars appeared, and even longer since doing laundry indicated hard physical labor.
Animal fat-based detergents have been known since the 18th century, while synthetic detergents hit the market about 70 years ago. From that day forward, fresh innovations keep making our lives easier.
With the addition of enzymes, the idea of “stubborn stains” started to gradually disappear, but smudges of grease and hard water still caused a lot of headaches. And then came the liquid washing detergent.