12/19/2025
A new study reveals tyrosinase plays a role in the metabolism of hydroquinone into byproducts that lead to the permanent pigmentation of exogenous ochronosis https://www.derm.city/post/study-clarifies-hydroquinone-s-role-in-ochronosis
A new study reveals tyrosinase plays a role in the metabolism of hydroquinone into byproducts that lead to the permanent pigmentation of exogenous ochronosis. This finding overturns the long-held belief that the pigment disorder is driven by inhibition of homogentisate 1,2-dioxygenase (HGD).The stud...