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\title{Science AMA Series: We are Dr. Curtis Schwartz and Dr. Janet Windisch
here to talk about personal care products and specifically the science
of soap. Ask us anything!}



\author[1]{Dow_Chemical }%
\author[1]{r/Science AMAs}%
\affil[1]{Affiliation not available}%


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  \date{April 23, 2026}


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\begin{abstract}
What you put on your skin or in your hair is personal. Whether it's
because of vanity or hygiene, it's good to have an understanding of
what's in your personal care products and what makes them effective.
Together, we've spent the last five decades improving the science in
this area and we're ``lathered up'' about soap as a method to prevent
disease. For a technology that is as fundamental as soap, there is a
surprisingly large amount of technical development activity in the area.
The early days of using fatty acid and pot ash to create soap are behind
us and new trends are driving innovation, including formulating for
improved sustainability, new sensorial benefits and multifunctional
traits. The need for washing with soap is clear. From bar to liquid and
even powder, soap is used globally in different ways. We're here to talk
about what's required to make a good soap, the challenges that are
driving new research and how we can deliver solutions that will have a
positive societal impact. CURTIS SCHWARTZ: I am an R\&D director at Dow
and have spent the last 30 years in industrial science working on
formulations to improve the performance of personal care products,
including everyday items such as laundry detergents, soap bars, hair
sprays, shampoos, body washes and sunscreens. I received my Ph.D. in
Inorganic Chemistry from the University of Illinois and hold over 10
patents. I was part of the POLYOX -- Lifebuoy collaboration that was
recently awarded a GOLD Edison award for our work with Unilever. JANET
WINDISCH -- I have a Ph.D. in Chemistry from the University of
Pennsylvania and have spent the last 25 years working in the polymers
and specialty materials space for personal care, adhesives, coatings and
medical applications. I have authored 8 papers, hold 1 patent and enjoy
talking all things science. Ask Us Anything! Note: We will start
responding to questions at 1:00 PM Eastern Time (10 am PT, 5 pm UTC.)
Edit: Minor technical issues, we're here and trying to post!%
\end{abstract}%



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