As anti oxidant, citric acid is naturally found in citrus fruit like lemon. Available in crystalline form, this white colored acid is used as effective preservative, food flavoring agent and also an important ingredient for cleaning products. Its structure contains clear crystals that taste like table salts with slight acidic flavor In food processing arena, citric acid is used as ph balancer. It can improve taste, texture and color of specific food. Due to its skin brightening attribute, this acid is used to formulate various skin lightening creams and serums.