Seven highly concentrated glycolic acid ampoules, one weeks\' dosage for visible results in 7 days Use at night like a serum. Always apply SPF in the morning Revitalift Laser Renew Ampoules are 7 highly concentrated \'shots\', encapsulated for freshness and preserved until the moment it touches your skin. Get your Glycolic fix in 7 nightly doses - for results in just one week! Highly concentrated 10% Glycolic Acid, the dermatologist\'s peeling ingredient. Visible Results Contains 7 ampoules, one week\'s dosage for visible results. Smoother and more radiant skin after just 1 ampoule. Resurfaced and clearer skin after 7 ampoules. Use each night for one week, always wear at least SPF 15 the following morning.