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Keratin & Glycolic Acid UPSC NOTE

 Why in News

  • Researchers from Kerala have reported a series of cases from Malappuram district where the regular use of fairness creams has been linked to nephrotic syndrome

  • Heavy metal screening of the blood and urine samples of these patients revealed high levels of mercury, the toxic effects of which are well-known

  • Reports on how keratin-based hair-straightening products containing glycolic acid derivatives led to severe kidney injury in women, was also one among recent such cases


  • Keratin is one of a family of structural fibrous proteins also known as scleroproteins. 

  • Alpha-keratin (α-keratin) is a type of keratin found in vertebrates

  • It is the key structural material making up scales, hair, nails, feathers, horns, claws, hooves, and the outer layer of skin among vertebrates. 

  • Keratin also protects epithelial cells from damage or stress. 

  • Keratin is extremely insoluble in water and organic solvents. 

  • Keratin monomers assemble into bundles to form intermediate filaments, which are tough and form strong unmineralized epidermal appendages found in reptiles, birds, amphibians, and mammals.

  • There are 54 kinds of keratin in your body

  • Keratin comes in two types, the primitive, softer forms found in all vertebrates and harder, derived forms found only among sauropsids (reptiles and birds)

Glycolic Acid

  • Glycolic acid (or hydroxyacetic acid) is a colorless, odorless and hygroscopic crystalline solid, highly soluble in water. 

  • It is used in various skin-care products. 

  • Glycolic acid is widespread in nature

  • A glycolate is a salt or ester of glycolic acid.



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Keratin & Glycolic Acid UPSC NOTE
Keratin & Glycolic Acid UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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