Mechanisms and prevention of UV-induced melanoma
The composition according to Claim 1, wherein the surfactant is chosen from about 60% to about 99%, based on total polymer weight, of a quaternary diallyl dialkyl ammonium monomer, wherein alkyl groups are independently selected from alkyl groups of 1 to 18 carbon atoms, C 1-4 alkyl, and wherein said quaternary diallyl dialkyl ammonium monomer's counterion is selected from the group consisting of conjugate bases of acids having an ionization constant greater than 10 13 , selected from the group consisting of fluoride, chloride, bromide, hydroxide, nitrate, acetate, hydrogen sulfate and primary phosphates
Contrarily to this, another class of antioxidant, known as exogenous antioxidants cannot be synthesised by eukaryotic cells, hence, can be obtained from diet
Erlich F, Lachner J, Herman M et al (2020) Convergent evolution of cysteine-rich keratins in hard skin appendages of terrestrial vertebrates
Copper is also used in superoxide dismutase, an enzyme that handles oxidative stress, and oxidative stress is one driver of fine lines and dull tone after years of UV exposure