Actinic keratoses are thickened, scaly, pre-cancerous patches of skin on the face and scalp, usually caused by too much sun exposure.
Actinic keratoses are also known as solar keratoses.
Aldara is used for several skin conditions. Your doctor will tell you where to apply Aldara cream, and how often and for how long to apply it for your condition.
Aldara should be applied just before bedtime and left on the skin for 6-10 hours. If your skin condition reappears you need to talk to your doctor.