What Causes Wrinkles and the Skin to Age?
Normal healthy skin has a nice epidermis with a smooth cornified, or outer, layer that acts as a good barrier to water and environmental injury. Skin color and tone is even and unblemished. Components such as collagen (which provides skin firmness), elastin (which supplies skin elasticity and rebound) and glycosaminoglycans or GAGs (which keep the [...]
Read MorePort-Wine Stains
A port-wine stain (naevus flammeus) is a vascular birthmark consisting of superficial and deep dilated capillaries which produce a reddish to purplish discoloration of the skin. They are so called for their colour, resembling that of port wine. It is part of the family of disorders known as vascular malformations. Port-wine stains are present at [...]
Read MoreWhat is a Chromophore
A chromophore is part (or moiety) of a molecule responsible for its color. When a molecule absorbs certain wavelengths of visible light and transmits or reflects others, the molecule has a color. A chromophore is a region in a molecule where the energy difference between two different molecular orbitals falls within the range of the [...]
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