Chalk Masha - what harm to humans?

Amina: How crayon Mashenka can harm a person?

Answer: The chalk contains a minimal amount of zeta cypermethrin and deltamethrin. The basis is gypsum and chalk. The drug can only harm health when used directly in food.

Shushunova Elena Valerevna
Epidemiologist, Client Relations Manager, 3DAltai LLC