Oil Pastel products are composed of non-drying oils, pigments, calcium carbonate and soft waxes. Has excellent softness and strong stickiness. Oil Pastel products were introduced into China. Due to their convenience and outstanding performance, Oil Pastel products have become the main materials for children's painting. At the same time, there are many kinds of Oil Pastel products on the market, and the quality is uneven, which brings a lot of inconvenience to consumers. With the continuous expansion of demand, the production of similar products is increasing day by day. Some of the inferior products can be recognized at a glance from their rough appearance, while others have a good color when used, and it is difficult to distinguish the quality from the appearance. In fact, inferior products are the biggest harm. It is a harmful substance exceeding the standard. Experiments have proved that: Oil Pastel products pigments and rolling paper contain arsenic (As), barium (Ba), lead (Pb), mercury (Hg) and other elements. If the above substances exceed the standard, children will cause long-term use. Chronic poisoning.

If parents are greedy to buy low-quality Oil Pastel products from street stalls or from informal channels, they will increase the chance of lead poisoning. Some people also like to tear off the paper skin of Oil Pastel products and paint directly with the stick. However, if they do not wash their hands well before meals, they will eat lead into their mouths. Once the human body accumulates too much, it will cause harm.
Therefore, when buying Oil Pastel products, you must go to the stationery counters or stationery stores in regular shopping malls, and choose some Oil Pastel products with good brand reputation. Because some well-known brands of Oil Pastel products comply with the Oil Pastel industry standards, the safety of children's pigments and the content of harmful substances are strictly controlled.