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Sylvia Rose
Nov 4, 20246 min read
Glycerin (Glycerol): Darling of Cosmetics, Health & Science
Glycerin, also known as glycerol or glycerine, is a simple polyol compound with the chemical formula C3H8O3. This colorless, odorless,...
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Sylvia Rose
Oct 30, 20243 min read
Alchemy of Perfumes: Scents, Cologne, Rose Water
Perfumes are prized in ancient civilizations such as Mesopotamia, Egypt, India and China. The word “perfume” comes from Latin per fumum ,...
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Sylvia Rose
Oct 22, 20246 min read
White Lead Toxic Beauty, Art, Ancient Production
White lead, lead(II) carbonate or PbCO₃, has a long history in art, paint and industry. It's a primary source of white for artists and in...
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Sylvia Rose
Sep 22, 20245 min read
Antimony (Stibnite, Kohl) Ancient Metal of Science & Beauty
Antimony (Sb) from the ore stibnite, is one of the elements known by the ancients, a primary source of black powder kajal or kohl. With...
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Sylvia Rose
Sep 20, 20244 min read
Earth of Chios: Ancient Alchemy, Cosmetics, & Medicine
Earth of Chios is a white to gray powdery mineral soil or fine grained clay found on the Greek island of Chios. Earth of Chios or Chian...
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Sylvia Rose
Jul 27, 20244 min read
Caterina Sforza: Renaissance Alchemy
Caterina Sforza (1463-1509) is a remarkable figure of the Italian Renaissance, leading a colorful and controversial life. Alchemy is...
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Sylvia Rose
Apr 15, 20244 min read
Alum: Tanning, Dye & Beauty Salts
Alum is an ingredient in processes such as dyeing fabric, tanning hides and water purification. Alum is ubiquitous in ancient and...
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