I have hyperpigmentation. I used hydroquinone with excellent results when I suddenly developed an intolerance to it. I tried many different brands with no luck at all. Then my doctor told me about a new product called Glyquin. It doesn't contain sulfites to stabalize the hydroquinone. It turns out the sulfites were my problem, not the hydroquinone. I am easily able to tolerate this product and it produced very good results. I think it would produce EXCELLENT results if I could use it twice a day as directed, however, the texture is so heavy and greasy that I can't wear it in the morning. So I only wear it at night. I still highly recommend it for anyone with pigmentation problems and "thinks" they're allergic or sensitive to hydroquinone.

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