Uvb – Rays that cause the skin to tan and burn.
Uvc Rays- A type of ultraviolet radiation. UVC rays are even shorter wavelength UV rays however they do not make it through the earths atmosphere.
Universal Precautions- The policy of the Centers for Disease Control (CDC) for safety in the presence of blood and other body fluids, which are potentially infectious sources of human immunodeficiency virus (HIV), hepatitis B and C viruses, and other bloodborne pathogens.
Urea- Component of urine, although synthetic versions are used in cosmetics. In small amounts urea has shown to rejuvenate the skin.
Uva- Ultraviolet rays from the sun that cause premature ageing to the skin.
Underwater Massage- Underwater massage is performed in specialized tubs filled with warm water. The client first relaxes by floating on a continuous stream of air bubbles rising from the bottom of the tub. There are underwater jets to massage the neck, shoulders, feet, calves, thighs, and hips, and to induce relaxation. The client is then massaged underwater with a high pressure hose attachment with optimal pressure used to work on specific problem areas. This form of hydrotherapy is a particularly good treatment for increasing circulation, relaxing sore muscles, and stimulating the heart and other organs in the elimination of toxins.
Ultramarines- Inorganic pigments (of various colors) permanently listed by the FDA for external use only.
Ultraviolet A (Uva) Rays- Sometimes referred to as the aging rays, these rays from the sun penetrate deeper into the skin than ultraviolet B rays and cause photosensitivity reactions.
Ultraviolet B (Uvb) Rays- Sometimes referred to as the burning rays, these rays from the sun are the primary rays associated with skin damage and skin cancer from sun exposure.