II · MAKEUP
"Your hairspray once saved soldiers' lives."
PVP was patented in Germany in 1939 and used during World War II as a blood plasma substitute for wounded soldiers. A completely different industry found a new use for the same molecule in the 1950s: hairspray.
What's Inside
Between them, the eight touch every function group above and every product type in this category. Each demonstrates something distinct: D&C Red No. 27 teaches that a colorant's approval can be scoped to one use and excluded from an adjacent one — the eye area specifically. Certified versus exempt colorants shows that not all approved colors carry the same pre-market testing. Titanium Dioxide and Iron Oxides each carry their own regulatory nuance despite looking like simple minerals.
Materials in This Volume
Product types covered
The six questions and the material profiles in this volume apply to:
Look inside
Five real pages from the PDF, chosen to show the method, a full material profile and the price section. The full guide has 48 pages.
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