How 20 seconds of washing yours hands with soap will save lives?肥皂的原理
Give soap 20 seconds, at least, of thorough scrubbing and the pin-shaped molecules will penetrate the types of bacteria and viruses, including COVID-19, that protect themselves with an oily lipid membrane. Like a nail popping a tire, the water-repelling end of the soap molecule, a hydrophobic tail that can bond with oil and fats, stabs COVID-19 and leaves the virus a deflated and broken sack of RNA cells