Tin and tin-plated steel are relatively safe under normal use, but when baked at high temperatures, harmful substances may be released, especially when there are coatings or printed patterns in the can, these coatings and inks may decompose and release toxic substances at high temperatures.

A tin box refers to a box made of tin material, which is usually used to package food, gifts, cosmetics, medicines, etc. Although we call it a "tin box", in fact, this material is not entirely tin, but tin-plated steel sheet.

Tin Packaging, as the name suggests, is a packaging container made of iron as the main material. Tin cans are mainly made of tin-plated iron (also known as tinplate), and their anti-corrosion properties are improved by plating a layer of tin on the surface of the iron plate.

Application of aerosol tin can in cosmetics: Basic care products 1. Moisturizing spray 2. Sunscreen spray Hair care products 1. Hair spray and styling spray 2. Dry shampoo spray Makeup products 1. Base spray 2. Setting spray Fragrance products 1. Perfume spray 2. Deodorant Special care products

● California: aerosol tin cans need to be sorted and processed. Completely empty metal cans can be treated as recyclables, and cans with residues need to be sent to hazardous waste collection points for treatment.