In recent years, the amount of waste deriving from industrial processes has\nincreased substantially. Many industries produce different types of disposable by-products,\nrich in valuable compounds. Their characterization and valorization could not only convert\nthem into high value products with application in diverse biotechnological fields, such as\nPharmaceutics, Food or Cosmetics, but would also reduce the waste environmental impact\nand the related treatment costs. There are many examples of cosmetic active ingredients\nderiving from fish, meat and dairy products, but in the present review we would like to\nfocus on the potentialities and the current use of compounds and extracts deriving from\nagronomical disposable wastes in the cosmetic field. These types of products are effective,\ninexpensive and bio-sustainable, and thus represent a valid alternative to the regular plant\nderived extracts, more commonly adopted in cosmetic formulations. Moreover, if the waste\nproducts come from organic farming, they are certainly an even more valuable source of safe\nextracts for Cosmetics, since they lack any residual pesticide or potentially toxic chemical.
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