Company News, Patents

Exfoliation Method Patented by Northern Research

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By: TOM BRANNA

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Patent No. US 7,115,251 B2: Northern Research Laboratories Inc., Saint Paul, MN, patented an exfoliating composition of a mixture of phenolsulfonic acid, guaiacolsulfonic acid and sulfosalicylic acid in a concentration effective for exfoliating human skin....

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