Kyonchamois leather is a natural material that is gentle on the skin, so it does not cause any burden on your skin. Non-formaline specification is a formaldehyde 37% water solution that is commonly used for wrinkle-resistant, shrink-proof, and plywood adhesives. Norformaline processing (non-formalinating processing) often found in infants and infants uses resin that does not contain formaldehyde, and has been treated with a resin treatment that prevents free formaldehyde after processing. For processing such as shrinkage, wrinkle-resistance, textures, and flocked prints, etc., it may be treated using resin containing formaldehyde. However, the skin chamois has not been processed using resin containing formaldehyde. This product is made with natural materials that are weak acidic. The tightness dress formulation is a new slug formula that protects against the flu virus (0.05 - 0.1μm) and the smallest of the coli phurge viruses (0.03 μm) in viruses, and is the ultimate ultra-fine collagen fiber perfect for skin care. in the USA. The ultra-fine collagen fiber (0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000It cleans thoroughly without damaging your skin while removing oil and oiling. Artificial cloth cannot be imitated with a natural blessing.