Generally speaking, qualified plasticine is a mixture of flour and spices. It is a viscous polymer compound, which contains no toxic components and will not be absorbed by the human body. If children don't eat, it usually won't hurt them. Playing with plasticine at ordinary times has no adverse effects on human body through skin contact.
However, poor quality plasticine products may be mixed with some chemical products harmful to human body, which is not safe for children, so we must pay attention to product quality when purchasing.
1, don't choose three no products.
Look at the product packaging before buying, and pay attention to whether the product name, address, implementation standard, production date, shelf life, etc. are marked.
Step 2 look at the material
Try to avoid choosing materials containing industrial pigments and chemicals, and choose recognized materials, such as flour or food pigments.
Step 3 smell it
It is best to choose odorless and tasteless.
Step 4 touch the texture
The best choice is non-stick, and the quality and safety will be better.
5. Don't choose products with long shelf life.