Clarins Detox Booster is designed to target damaged skin, it revives radiance and detoxifies. Skin can be effected by your personal lifestyle and environment such as late nights and pollution, this detox booster helps to quickly and easily relieve skin of the damaging effects. To use: Add 3-5 drops of booster to your face cream, mask, or foundation, blending until smooth then apply as usual. Do not use alone.