All the pigment cells or pigment abnormalities increased excretion of disruption caused by the pigment pigmentation, pigmentation spots are known as . Pigment spots including melasma , Hu Dieban, liver spots, pregnancy spots, freckles , senile plaques . The difference is freckles and senile plaques in the disease mechanism has its own particularity. Freckles and genetic, location deep, mostly in the basal layer of epidermis. Senile plaques are more concerned with free radicals in the body.
free radicals are produced by the body's normal metabolism of a metabolite excretion is slowed down with increasing age. Under normal circumstances, free radicals and elimination of balance, slow down when the excretion of free radicals, free radicals in the body content will increase, the body can bring a range of hazards. Increase in free radicals caused by one of the major human aging. At present large amounts of data and research have proved that senile plaques is an increase in free radicals in the skin of a performance.
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