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Watercolor paper — Painting on Papyrus was invented in Ancient Egypt long before the invention of Paper. Hieroglyphs: ankh, basket, Eye of Horus, Sun Disk-(Gard. N5) Synthetic pigment — The first known synthetic pigment was Egyptian blue, which is first attested on an alabaster bowl in Egypt dated to Naqada III (circa 3250 BC).
A man brushing his teeth while looking in a mirror. Tooth brushing is the act of scrubbing teeth with a toothbrush equipped with toothpaste.Interdental cleaning (with floss or an interdental brush) can be useful with tooth brushing, and together these two activities are the primary means of cleaning teeth, one of the main aspects of oral hygiene. [1]
An 1866 Home Encyclopedia recommended pulverized charcoal, and cautioned that many patented tooth powders that were commercially marketed did more harm than good. Arm & Hammer marketed a baking soda-based toothpowder in the United States until approximately 2000, and Colgate currently markets toothpowder in India and other countries.
There in the lands of ancient Egypt is the first evidence for stools, beds, and tables (such as from the tombs similar to Tutankhamun's). Recovered Ancient Egyptian furniture includes a third millennium BC bed discovered in the Tarkhan Tomb, a c.2550 BC. gilded set from the tomb of Queen Hetepheres I, and a c. 1550 BC. stool from Thebes.
Baking soda is a safe, low abrasive, and effective stain removal and tooth whitening toothpaste. [43] Tooth whitening toothpaste that have excessive abrasivity are harmful to dental tissue, therefore baking soda is a desirable alternative. [43] To date, clinical studies on baking soda report that there have been no reported adverse effects. [43]
Natron is a naturally occurring mixture of sodium carbonate decahydrate (Na 2 CO 3 ·10H 2 O, a kind of soda ash) and around 17% sodium bicarbonate (also called baking soda, NaHCO 3) along with small quantities of sodium chloride and sodium sulfate. Natron is white to colourless when pure, varying to gray or yellow with impurities.
The ancient Egyptians created a remedy for burns by mixing the cheek and lip stain with red natron, northern salt, and honey. [9] The Ebers Papyrus, a collection of Egyptian medical recipes dating to circa 1550 BC, shows the usual galena pigment could also be combined with specific ingredients to create eye paints that were intended to treat eye infection. [10]
The ancient Egyptians were known to use honey as medicine, and the juices of pomegranates served as both an astringent and a delicacy. [17] In the Ebers Papyrus, there are over 800 remedies; some were topical-like ointments and wrappings, others were oral medication such as pills and mouth rinses; still others were taken through inhalation.