Chemicals that touch skin can lead to a reaction on the skin, throughout the body, or both.
Burn from chemicals
Chemical exposure is not always obvious. You should suspect chemical exposure if an otherwise healthy person becomes ill for no apparent reason, particularly if an empty chemical container is found nearby.
Exposure to chemicals at work over a long period of time can cause changing symptoms as the chemical builds up in the person's body.
If the person has a chemical in the eyes, see first aid for