Abstract: Provided herein is a method of reducing or preventing sunburn caused from visible and ultraviolet radiation in a subject, the method comprising topically applying to the subject a sunscreen composition comprising at least one inorganic UV filtering agent selected from zinc oxide or titanium dioxide; at least one inorganic pigment selected from iron oxide; and at least two visible light protecting agents comprising barium sulfate and mica; wherein the at least two visible light protecting agents are present in an amount effective to reduce or prevent sunburn caused from visible light. Also provided herein are sunscreen compositions and methods of increasing the visible light protection factor of a sunscreen composition.

Abstract: Provided herein is a method of reducing or preventing sunburn caused from visible and ultraviolet radiation in a subject, the method comprising topically applying to the subject a sunscreen composition comprising inorganic UV filtering agents, antioxidants, and at least one inorganic pigment, wherein the at least one inorganic pigments and antioxidants are present in an amount effective to reduce or prevent sunburn caused from visible light. Also provided herein are sunscreen compositions and methods of increasing the SPF of a sunscreen composition that comprises at least one inorganic UV filtering agent.

Abstract: In an ultrasonic transducer probe having multiple rotating transducer elements the transducer outputs are switched in response to sine and cosine signals from a resolver. The same signals are used to switch and time the display scan. If the transducers are misaligned a multiple blurred image may result. It is proposed to modify the resolver signals changing the phase of the signals for at least one transducer to bring the display signals into registration. In one example it is achieved by, for at least one transducer element output, mixing a proportion of at least one of the sine and cosine signals with the other.