| 摘要 |
<p>An improved sunscreen protection and insect repellent water based combination composition having an SPF factor of about 2 to about 50 and further having an unexpected, unusually long efficacy period when used in rainy conditions or prolonged periods of high humidity, such as in a tropical or sub-tropical rain forests, or the like, and after the wearer has been underwater. The composition forms a stable emulsion lotion that is easy to store. No special precautions are required by the person who applies the lotion. The composition includes a sunscreen agent, an insect repellent, including sec-butyl 2-(2-hydroxyethyl)piperidine-1-carboxylate, or 2- (2-hydroxyethyl)-1-piperidinecarboxylic acid 1-methylpropyl ester, or picaridin, or propidin, or 1-piperidinecarboxylic acid 2-(2-hydroxyethyl)-1-methylpropylester hydroxyl-ethyl isobutyl piperidine carboxylate ("PICARIDIN"), an emulsifying agent, and a film former, all in an aqueous solvent. The composition forms a thin film on the skin, but it is non-greasy to the touch. The lotion is easily removed with soap and water.</p> |
