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.
However, when total daily doses of acetaminophen exceed 4,000 mg, liver damage can occur. In patients with liver disease or a history of significant alcohol use, the maximum tolerated dose of acetaminophen may be much lower (around 2,000 mg per day).educe the maximum recommended single dose from 1,000 mg per day (two extra strength Tylenol) to 650 mg per day (two regular strength Tylenol). 3. Require that only one concentration of liquid acetaminophen be marketed to avoid confusion and accidental overdose, especially in children.