Many receipts contain the chemical BPS, which can absorb through your skin when you hold a receipt paper.

Health researchers are sounding the alarm about an endocrine disruptor commonly found in paper receipts – and they say it doesn't take long for your hands to absorb the chemical. In an Apr. 14 ...

However, the plastic linings of cans of food, and the common heat-sensitive receipt paper still contain BPA so it’s almost impossible to avoid it entirely in daily life.