Girls ? My son flipped a cup with hot tea from the table and splashed …

Girls ? My son flipped a cup with hot tea from the table and splashed himself... I feel awful, I cried for 4 hours, can't stop... What did you do after burn? What did you apply? And what is better to do in such situations urgently? I didn't even know what to do, immediately led him to the sink and turned on cold water, held under running for a minute or so. After Bepanthen. How to be in such situations? I wasn't prepared for this and just got scared...