A name suffix, [dubious â discuss] in the Western English-language naming tradition, follows a person's full name and provides additional information about the person. Post-nominal letters indicate that the individual holds a position, educational degree, accreditation, office, or honor (e.g. PhD, CCNA, OBE).
Peptides are chains of amino acids that are the building blocks of proteins in the skin. When peptides form a long chain of amino acids, they become proteins. When they are in a short chain of amino acids, they are able to penetrate the top layer of our skin and send signals to our cells to let them know how to function. One important protein in our skin is collagen.
Melanocyte-stimulating hormone describes a group of hormones produced by the pituitary gland, hypothalamus and skin cells. It is important for protecting the skin from UV rays, development of pigmentation and control of appetite.