The invention relates to the cosmetic use of a Nephelium lappaceum plant extract to reduce the harmful effects of pollution on the skin and/or skin appendages, advantageously the hair, by maintaining and/or increasing the cell viability and/or the ATP synthesis and/or the mitochondrial activity and/or by decreasing the cell senescence and/or the cell damage. The N. lappaceum extract increases the radiance of the complexion of the skin.