The amount of sodium percarbonate in household products usually does not cause problems. However, exposure to this pure chemical can cause burns, skin irritation, eye irritations and even blindness. Inhalation can cause throat irritation and coughing. Read on http://www.guidechem.com/cas-156/15630-89-4.html more information about sodium percarbonate.
The sodium percarbonate in cleaning agents can be harmful to the human skin if applied on a wound. It can also have disastrous results if consumed by a person. It is necessary to take all protective measures when using it.