PAR is an acronym for parabolic aluminized reflector. A PAR lamp, which may utilize either an incandescent filament, a halogen filament tube or a HID arc tube, is a precision pressed-glass reflector lamp. PAR lamps rely on both the internal reflector and prisms in the lens for control of the light beam.
Causes of Red Spots on the Skin. 1  Acne (Pimples) Acne is a localized skin inflammation as a result of overactivity of oil glands at the base of hair follicles. 2  Allergy (Allergies) An allergy refers to a misguided reaction by our immune system in response to bodily contact with certain foreign substances.
Being overly warm. Warmth causes blood vessels to dilate, which causes more blood to near the surface of the skin. When the body is warm, more blood is able to near the surface of the skin making the skin feel warm and look red. A hot environment is a common cause of blushing, flushing, and having skin turn red. Persistently elevated stress (stress-response hyperstimulation) Just as an active stress response can cause a blushing, flushing, turning red effect, so can persistently elevated stress.