Dr. C. Tuna Brightening Tonic is the second step of skincare and prepares the skin for the next stages. This tonic works to refresh, moisturize, and tone the skin after cleansing. Its gentle formula helps to brighten the skin while relaxing it. If you want to lighten your face a little, but at the same time keep it flawless, a new effective tonic will be a great choice. The lightening tonic is well suited to sensitive skin and cleanses and tones it well.