The reason why you can't use laundry detergent to wash your underwear is that laundry detergent is alkaline, and the human body is weakly acidic in the lower body, and this weak acidity can inhibit the growth of some bacteria, which is the self-cleaning function. If you use alkaline laundry detergent, it will destroy its own acid-base balance, easy to breed bacteria.
Methods of cleaning underwear:
Washing underwear, the best choice of soap powder.
Soap powder is a kind of powdered soap washing products. Soap powder decontamination principle is the same as soap, physical, natural, low irritation, at the same time, it also retains the good decontamination of soap.
And, the soap powder added natural stain removal active ingredients, but also to protect the fabric, after washing the clothes without the use of fabric softener can be fluffy and soft, to solve the many times after washing the fabric dirt accumulation, hardening, static electricity and other issues, the effect is better than the laundry detergent.
Additionally, soap powder washing produces a small foam, machine washing is easier to rinse clean, to avoid residual substances to irritate the skin, but also saves water, which can be said to be two in one.
Of course, the daily use of detergents, but also according to the nature of the clothing to choose the right washing supplies. General natural soap powder is more suitable for washing intimate apparel, baby clothes and diapers, etc., laundry detergent is more suitable for washing light clothing, laundry detergent is more suitable for washing denim, heavy coats, and curtains, sofa covers.