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Hyperpigmentation is believed to be related to the enzyme tyrosinase which produces melanin. Among several chemicals known to inhibit tyrosinase production, such as hydroquinone , arbutin , and kojic acid , 4-butylresorcinol has been found to be the most powerful inhibitor by a wide margin.
Decreasing tyrosinase activity has been targeted for the improvement or prevention of conditions related to the hyperpigmentation of the skin, such as melasma and age spots. [ 22 ] Several polyphenols, including flavonoids or stilbenoid , substrate analogues, free radical scavengers, and copper chelators, have been known to inhibit tyrosinase ...
This toner takes skin-brightening to the next level by pairing kojic acid with vitamin C — yet another tyrosinase inhibitor — as well as bearberry extract, a plant-based alternative to ...
α-Arbutin directly inhibits the enzymatic activity of tyrosinase, which is essential for melanin synthesis. Tyrosinase catalyzes the first two steps in melanin production: the hydroxylation of tyrosine to l-DOPA and the oxidation of l-DOPA to dopaquinone. By inhibiting tyrosinase, α-arbutin reduces the formation of melanin in melanocytes. [5]
The Mayo Clinic diet was created by weight management practitioners at the Mayo Clinic and was designed as a lifestyle change program to promote gradual and sustained weight loss, says Melissa ...
22178 Ensembl ENSG00000107165 ENSMUSG00000005994 UniProt P17643 P07147 RefSeq (mRNA) NM_000550 NM_001282014 NM_001282015 NM_031202 RefSeq (protein) NP_000541 NP_001268943 NP_001268944 NP_112479 Location (UCSC) Chr 9: 12.69 – 12.71 Mb Chr 4: 80.75 – 80.77 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Tyrosinase-related protein 1, also known as TYRP1, is an intermembrane enzyme ...
Weight loss drugs rarely work alone. In fact, one of the major side effects of relying solely on medication treatment for weight loss is rebound weight gain. Additional disadvantages of weight ...
A decreased molecular weight or a decrease in the degree of polymerization of ocular melanin has been proposed to turn the normally anti-oxidant polymer into a pro-oxidant. In its pro-oxidant state, melanin has been suggested to be involved in the causation and progression of macular degeneration and melanoma . [ 62 ]