Each philosophy turbo booster vitamin powder can be mixed fresh daily with your favorite water-based serum or moisturizer.

How do I use it: Mix one-half to one scoop of vitamin powder with water-based moisturizer or serum (not included) in the palm of your hand. Apply to face and neck. Use in the morning after cleansing.

From philosophy.

Includes:

• 0.25-fl oz turbo booster vitamin powder