The Meirowsky phenomenon. Colour changes in melanin according to temperature and redox potential.
D006358:Hot Temperature; D006801:Humans; D006861:Hydrogen Peroxide / Q000494:pharmacology; D066298:In Vitro Techniques; D008543:Melanins / Q000378:metabolism*; D010084:Oxidation-Reduction; D010858:Pigmentation / Q000502:physiology*; D012867:Skin / Q000378:metabolism*
D008543:Melanins; D006861:Hydrogen Peroxide