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Water-Soluble Sunscreen For Acne Rosacea



Published February 13, 2013
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• US Patent No. 8,337,820 B2; A topical skin care dihydroxyacetone-free gel formulation to protect skin from ultraviolet rays has been patented by Bart Nieuwenhuijsen of Penn Valley, PA. The formulation contains dispersed titanium dioxide, 5-hydroxy-tryptophan, histidine and N-acetyl-tyrosine.


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