Pigment disease
Post in melasma/chloasmaIn a major splash on the body is divided into freckles, age spots and blotches, there are varied, are dark brown and red pigments are collectively referred to as disease.
In addition to the freckle grown in the nose, cheeks, also grown in the chest and back, at the white sun on the skin or sensitive skin are particularly vulnerable to the formation.
The main reason is the formation of genetic, in puberty, the pigment accumulation in the body, gradually forming freckles, this is a recessive genetic. Another reason is that ultraviolet radiation. Sunshine contains a variety of wavelengths of light, with a wavelength of 290 - 400mm UV, that is, UVA, will stimulate the skin pigment, the pigment to make better, and then the skin surface, so that the deterioration of freckles.
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