Hydroquinone is a chemical skin bleach found in creams that are marketed as skin lighteners. ... When hydroquinone cream comes in contact with clothing, it can cause discoloration of the cloth.

Is hydroquinone bleach permanent?

Hydroquinone does not permanently lighten skin. Still considered the go-to spot lightener in the U.S., many dermatologists recommend hydroquinone to: Treat any type of hyperpigmentation, from the post inflammatory hyperpigmentation left behind after an acne breakout to age and sun spots.

How long does hydroquinone take to bleach?

On average, it takes four to eight weeks for hydroquinone to produce noticeable skin lightening results, meaning you'll need to apply it consistently before your melasma-affected skin begins to lighten and match the rest of your face.