Color Trouble Shoot #1: How to Test for Color Variations
The result in both cases was frustration for our customers who...
I am creating a line of "multi purpose mineral cosmetics" with micas.
Let's say one of the colored micas contains mica, titanium dioxide, iron oxides, and ferric ferrocyanide. Does the ferric ferrocyanide have to be listed on the ingredients list?? Is that considered something that would be a "trace" ingredient, and therefore I'm not required to list it??...
I am creating a line of "multi purpose mineral cosmetics" with micas.
Let's say one of the colored micas contains mica, titanium dioxide, iron oxides, and ferric ferrocyanide. Does the ferric ferrocyanide have to be listed on the ingredients list?? Is that considered something that would be a "trace" ingredient, and therefore I'm not required to list it??...
I am creating a line of "multi purpose mineral cosmetics" with micas.
Let's say one of the colored micas contains mica, titanium dioxide, iron oxides, and ferric ferrocyanide. Does the ferric ferrocyanide have to be listed on the ingredients list?? Is that considered something that would be a "trace" ingredient, and therefore I'm not required to list it??...
http://www.mayanpigments.com/
Mayan Blue is a 2000-year-old, lustrous turquoise blue that can be seen in ancient Mayan ruins, even to this day. Until relatively recently, no one knew how they made such a vivid paint so resistant to weather, extremes of pH, chemical solvents and biodegradation.
Research conducted largely by PhD student Lori Polette revealed why the mix of organic dye from the indigo...