One method
Is to see,packaging hygiene standards or watch negative label, now the national new regulations, toilet paper must be marked "toilet paper", almost all manufacturers are very small and very small, to look carefully, if not, you can reference to the health standard of no..

Method twoPoor

quality paper napkin water one bubble, immediately into the slag, and wood pulp paper napkin, still forming blisters. The dregs that napkin unqualified, is likely to be recycled paper production." According to the quality inspection department, napkin paper with various fungi, inferior Escherichia coli, Mycobacterium tuberculosis, hepatitis, typhoid, dysentery, enteritis cause hepatitis, and other diseases. In addition to these bacteria may cause harm to the human body, the producer will add bleach in the production process, which contains carcinogenic chemical substances, such as fluorescent whitening agent containing cadmium, can cause damage and damage to the blood system memory.

Experts advise, do not use the dregs of the inferior paper napkin, handkerchief, towel to dine out with or after cleaning the mouth. In the purchase of paper napkin, must choose the regular manufacturers of products, buy soft, no impurities, no smell of paper towels.