A pig's skin keeps its internal organs intact and protected. Pig skin can also be used in medical situations where human skin grafts are necessary.

Yes, because the ears are covered in skin. Sometimes extreme temperature can tinge the ears with pink, but for the most part, in regular situations, the ears and the skin color will be the same.

Aquaphor is used to treat dry, itchy, scaly, rough skin, and many minor irritation situations like diaper rash or skin burns from the sun or radiation therapy.

No, there shouldn't be. Medical situations may create one, e.g. failed suture of circumcision, skin lesions, or subcutaneous infection.

How does who react in personal situations?