Skin stem cells make all this possible. They are responsible for constant renewal (regeneration) of your skin, and for healing wounds. So far, scientists have identified several different types of skin stem cell: 1  Epidermal stem cells are responsible for everyday regeneration of the different layers of the epidermis.kin stem cells. In everyday life your skin has to cope with a lot of wear and tear. For example, it is exposed to chemicals like soap and to physical stresses such as friction with your clothes or exposure to sunlight.
The common adult dose is 500 mg to 1000 mg. The recommended maximum daily dose, for adults, is 4000 mg. In recommended doses, paracetamol is generally safe for children and infants, as well as for adults, although rare cases of acute liver injury have been linked to amounts lower than 2500 mg per day.aracetamol, also known as acetaminophen or APAP, is a widely used over-the-counter pain medication and medication to reduce fever.
An FDA advisory committee recommended in 2009 that the maximum adult dose of acetaminophen be reduced from 1,000 mg to 650mg at one time, and that the total daily maximum be reduced from 4 g to 2.6 g.