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2. Mars Black (pigment) - Wikipedia

   en.wikipedia.org/wiki/Mars_Black_(pigment)

   Mars Black is an iron oxide pigment developed in the 20th century. Also known under the names of black iron oxide, magnetic oxide, Pigment Black 11, and ferrous ferric oxide (Fe 3 O 4 ), [ 1 ] it has no known health hazards [ 2 ] and is considered non-toxic, with an ASTM lightfastness rating of I.

3. List of inorganic pigments - Wikipedia

   en.wikipedia.org/wiki/List_of_inorganic_pigments

   Iron pigments. Mars black or Iron black (PBk11) (C.I. No.77499) Synthetic magnetite Fe 3 O 4. Manganese pigments.

4. Kohl (cosmetics) - Wikipedia

   en.wikipedia.org/wiki/Kohl_(cosmetics)

   "Blue" kohl is a dark-bluish black pigment composed of lead-based compounds as well as a compound of antimony. The lead-based compounds in kohl are galena (PbS) – dark grey and gloss, laurionite (PbCl(OH)) – white, phosgenite (PbCl) 2 CO 3), and cerussite (PbCO 3) – blue. The antimony-based compound in kohl is stibnite (Sb 2 S 3) – blue.

5. Venetian ceruse - Wikipedia

   en.wikipedia.org/wiki/Venetian_ceruse

   The presence of lead compounds in Venetian ceruse allowed it to be dissolved in water to form a thick paste that could be easily absorbed by the body through the skin. [ 15 ] [ 10 ] When mixed with vinegar, the white lead composition of Venetian ceruse had a cooling and drying effect [ 15 ] that would suck moisture from the skin of the ...

6. Cosmetics - Wikipedia

   en.wikipedia.org/wiki/Cosmetics

   Cosmetics designed to enhance one's appearance (makeup) can be used to conceal blemishes, enhance one's natural features, or add color to a person's face. In some cases, more extreme forms of makeup are used for performances, fashion shows , and people in costume and can change the appearance of the face entirely to resemble a different person ...

7. Colonizing Mars could be dangerous and ridiculously expensive ...

   www.aol.com/colonizing-mars-could-dangerous...

   Musk does have a plan for making Mars an attractive destination for long-term living: Terraforming, a hypothetical scenario in which humans make Mars more Earth-like by pumping gases into the ...