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  • SPF Goes to Court!

    Nadim Shaath, Alpha Research & Development Ltd || February 6, 2015
    Sunscreens have been in the headlines recently. We start the New Year with an act of Congress, The Sunscreen Innovation Act (SIA), which was just signed by President Obama into law in November. Its implications will be debated extensively in the futu…

  • Comparative Evaluation of Commercial SPF 100+ Sunscreen Products

    Comparative Evaluation of Commercial SPF 100+ Sunscreen Products

    Olga V. Dueva-Koganov, Ph.D. and Nadim A. Shaath, Ph.D. , Integrated Botanical Technologies, LLC, Ossining, N.Y. Alpha Research and Development, White Plains, NY || November 23, 2010
    More than three years ago, the FDA introduced a proposed rule that includes testing of sunscreen efficacy in vivo (SPF and UVA-PF) and in vitro (UVAI/UV ratio after pre-irradiation).1 The FDA requires U.S. sunscreen manufacturers to declare, in addit…

  • Shadows Cast on Sunscreens

    Nadim Shaath, Alpha Research & Development Ltd. || July 8, 2010
    In this column, I have been documenting the upheaval and unrest that continues to mar the sunscreen landscape. The lack of final regulations from the FDA and the absence of a proactive and effective response from the American Academy of Dermatology (…


  • SPF Boosters  Photostability of Ultraviolet Filters

    SPF Boosters Photostability of Ultraviolet Filters

    October 1, 2007
    Raw material suppliers have developed a wide range of emollients, quenchers, antioxidants and other cosmetic ingredients to improve the UV filters and boost the SPF.