Eczema as a common allergic disease, if the disease is heavy, redness is more obvious, or scratching is more obvious, and the lesions are in the friction areas or face and other exposed areas, after the eczema healed will leave pigmentation (some called anti-black). It is the following ways to subside: first, simply pay attention to moisturizing with, some vitamin E, mucopolysaccharide polysulfate ointment or urea ointment, or even petroleum jelly and so on topical, slowly these pigments can also subside on their own, of course, the premise is not scratching stimulation, pay attention to sun protection. Because if you do not pay attention to these, these pigmentation may be aggravated. Second, you can use some topical medications to remove pigmentation, such as hydroquinone cream, compound arbutin cream, etc. If necessary, you can take oral medications to remove spots, such as tranexamic acid, etc. So the pigmentation left by eczema depends on its degree and the urgency to make it subside, and if necessary, it can be treated with oral topical medications.