Pure vitamin c serum with 5% ascorbic acid helps brighten the complexion and improve uneven skin tone. It helps fade the appearance of sun damage and hyperpigmentation while visibly addressing dullness and loss of firmness, making skin look healthy and radiant. This serum has been reformulated with natural agents that prevent rapid oxidation and improve its stability. It is packaged in a dark brown bottle to provide the ingredients maximum protection from sunlight.