Is the chemical used for leather care products harmful to humans?

Answer:

The There are two reasons for the production of hexavalent chromium in leather: First, tanning materials, such as some chromium powder in the preparation has not been completely reduced, resulting in trace amounts of hexavalent chromium; the second is in the tanning or storage process, chrome tanning Some of the trivalent chromium in the leather is oxidized to produce hexavalent chromium.

Hexavalent chromium: is recognized as a carcinogen, long-term contact with the skin, the human skin, nervous system and endocrine system poisoning. Hexavalent chromium is easily absorbed by the skin and produce long-term unhealed rash and rash, after cell uptake due to its mutagenic effect and cancer

Formaldehyde in leather mainly from the tanning and retanning process, another fixed after the formaldehyde is also another source of formaldehyde in leather. In addition, some fungicides may contain formaldehyde, which is blue wet leather in the detection of formaldehyde reasons

Formaldehyde: is a very volatile chemical substances, the human body has a strong stimulating effect. Excessive formaldehyde can cause severe inflammation of the human mucosa and respiratory tract, can also lead to dermatitis