Cause it is difficult to digest, more may be difficult to digest and lead to stomach bloating discomfort. The composition of pig hair is a kind of protein, which is difficult to be degraded in the natural environment and cannot be digested when eaten. Occasionally, a few pig hairs will be excreted in the feces and are generally not harmful. If short, hard hairs are eaten in large quantities, damage to the digestive tract is possible. A lot of pig hair in pork is enough to indicate that it was done in an unhygienic way, don't eat it.
The hair on the skin of the pig is equivalent to human hair, occasionally eat a little bit of no obvious harm to the body, will be quickly discharged with the feces, don't worry too much, appendicitis has a variety of causes, such as the body's immune system is reduced, cold, physical trauma, inflammation in other parts of the body can cause appendicitis.
Expanded
Pork rinds with hair are edible, and the pork rinds with skin sold on the market are all hairy, just scrape them cleaner, and the stubble is shorter to see the hair.
Pork rinds are well known for their cosmetic effects on meat. Pork rinds have a high nutritional value and are also rich in collagen. Pork skin is the skin that is cut from the top of the pork. Since it is the skin from the pig, it will definitely have some odor, as well as pig hair. Generally in eating pork skin will first remove the hair, but there will always be some will not remove clean.
Baidu Encyclopedia - Pork Hair Traditional Chinese Medicine
Baidu Encyclopedia - Pork Hair