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Potassium alum, potash alum, or potassium aluminium sulfate is a chemical compound first mentioned under various Sanskrit names in Ayurvedic medicinal texts such as charak samhita, sushrut samhita, and ashtang hridaya; is chemically defined as the double sulfate of potassium and aluminium, with chemical formula KAl(SO 4) 2.
An advertisement from the 1930s for Sweet Georgia Brown skin bleaching cream. Early skin whitening practices were not well-documented. [61] Skin whitening is a practice that has made its way across the entire globe with a multitude of cultures adopting the practice under various ideologies.
Crystal of potassium alum, KAl(SO 4) 2 ·12H 2 O. An alum (/ ˈ æ l ə m /) is a type of chemical compound, usually a hydrated double sulfate salt of aluminium with the general formula X Al(SO 4) 2 ·12 H 2 O, such that X is a monovalent cation such as potassium or ammonium. [1] By itself, "alum" often refers to potassium alum, with the ...
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Alum-(K) is a hydrous potassium aluminium sulfate mineral with formula KAl(SO 4) 2 ·12(H 2 O). It is the mineral form of potassium alum and is referred to as potassium alum in older sources. It is a member of the alum group. [2] It occurs as colorless to white, soft isometric crystals and efflorescence coatings. [3]
Skin lightening is prevalent among Saudi women, as indicated by several studies. A 2019 study conducted among 760 Saudi female students found that 56.2% of the participants had used skin lightening products at some point in their lives. [6] Women with lower socioeconomic status were more likely to use skin lightening products. [6]
Skin whitening as well as sun-blocking were practiced by applying face powder in the form of cerussa, which was a mix of white lead shavings and vinegar. [12] Roman women wished to conceal blemishes and freckles, as well as smoothing the skin using this powder. Chalk was also used to whiten the skin, as well as powdered ash and saffron on the ...
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