Product details:

Maximum results. Minimal irritation. Unique, potent solution of time-released Microencapsulated Retinol at 1.5% helps to gently exfoliate the skin with a continuous burst of retinol all night long.Apply nightly to face.
Use SPF protection during the day.
If mild irritation or redness occurs, use every other night until skin adjusts.
Gradually build to nightly use.
For external use only.