Ingredients
Activated Charcoal in Soap: What It Does and What It Does Not
Charcoal soap is sold as a detox. What activated charcoal actually does in a rinse-off bar, how it compares with other black powders, and which claims lack evidence.
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Ingredients
The oils, clays and Indian botanicals that go into a bar, with tradition and evidence kept apart.
Ingredients
Cosmetic Clays Compared: Kaolin, Bentonite, Multani Mitti and More
Cosmetic clays differ in mineral type, swelling and ion-exchange capacity. Kaolin, pink, green, bentonite, multani mitti and rhassoul compared, with what is and is not proven.
Ingredients
Manjistha (Indian Madder) in Soap: Colour, Tradition and Evidence
Manjistha is Rubia cordifolia, Indian madder, a red plant dye used in Ayurveda. What it does in a soap bar, why its colour shifts with pH, and what is tradition versus tested.
Ingredients
Tangedu Flower in English: Tanner's Cassia, Telangana State Flower
Tangedu (thangedu puvvu) is tanner's cassia in English, scientific name Senna auriculata. Telangana's state flower: what the plant is, its uses and the evidence.