Particularly active, Vitamin C may react when in contact with air. in this case it may turn yellow, which is a sign of its anti-oxidizing hyper-activity. This does not impair its tolerance or its efficacy since it has the ability to regenerate when in contact with the skin. After each use, wipe the tube's opening thoroughly before resealing. Avoid immediate contact with fabrics upon application.
Deep wrinkles, loss of firmness and uneven skin tone.