Class C clothes can't directly touch the skin, because there is still some formaldehyde on Class C clothes, which is higher than that on Class B clothes. If you wash it more often, these chemicals may be less, and even if they are less, they cannot directly contact the body.

Now most of our friends care about the clothes they like, not the quality and safety of the clothes. They often ignore the standard of clothes, how to wear ABC clothes, and class C clothes can't touch the skin directly, because class C clothes can be worn directly as coats, which will make them uncomfortable.

On the safety standard of clothes tag, C refers to the standard of textile products that do not directly touch the skin, such as thick coats, down jackets and thick pants worn in winter. Therefore, according to the latest product basic safety technical specifications, the ph value of formaldehyde content has been specified, so it is best not to directly contact the skin for C-class clothes.

Extended data:

Logo is used because the fabric of clothing or textiles may contain harmful substances such as formaldehyde and decomposable aromatic amines. These substances can lead to leukemia and other diseases for a long time, so they are strictly divided into class A, class B and class C according to the intimacy of skin contact.

Therefore, when consumers buy clothes, they should not only pay attention to style and beauty, but also ignore health. They should carefully identify and buy qualified products from regular manufacturers and wear them reasonably. Class C clothes are not particularly harmful to people's health, that is, the only requirement is that they cannot directly contact the skin. I hope my friends will pay attention.

Baidu Encyclopedia-Textile Standard