You may experience mild redness, a warm tingling sensation, or flaking (skin exfoliation). These are normal, temporary indications that the formula is working. If any discomfort persists, or is too strong, limit use to once every other night until your skin adjusts, then revert back to nightly use.
WARNING: This product contains a chemical known in the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov/.