About the dirt on our clothes
There are many kinds of dirt exsit in our clothes, including sweat, sebum, they are not easy to clean after soured. There are three kinds of dirt, such as water-soluble, oil-soluble, and insoluble dirts.
- Water-soluble dirts
- sweat, urine, blood, sauce, juice
- Oil-soluble dirts
- sebum, lipstick, all kinds of oil
- Insoluble dirts
- sand, mud, charcoal, clay, dust
Water-soluble dirts can be cleaned by water, oil-soluble dirts can be melt by oil. It is necessary to use detergent to wash clothes, because all kinds of dirts including oil-soluble, water-soluble, insoluble dirts, stick to the clothes.
Alkaline detergents are widely used by people nowadays.
Alkaline detergents sure can wash the dirts on the clothes off by strong power, but they also bring harm to human’s skin. Further more, they will weather the dye on your clothes, form uncanny fading.
Therefore, neutral detergents or low alkaline detergents are better to be used. Neutral detergents are really good to be used to wash textile such as silk or wool.