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Formulation and In-Vitro Evaluation of Sun Protection Factor of Methanolic Extract of Zanthoxylum rhetsa DC. Sunscreen Lotion
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Sunscreens are cosmetic formulations that block ultraviolet (UV) rays. Sunscreens are assigned sun protection factors, (SPF), ratings that are supposed to indicate the level of protection from UV radiation. In addition due to high cost and time consumption of in vivo SPF determination methodologies, in vitro SPF determination is gaining more importance. In the present study efforts were made to formulate sunscreen lotion using methanolic extracted Zanthoxylum rhetsa DC seed. Evaluation of same was done for sunscreen activity by using in vitro SPF method. SPF of formulation was found to be 1.09 with ultra boot star rating 2 which approaches toward sunscreen activity.
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