Rough Dry Skin is a serious problem with varied degrees of severity: Mild Flaking… skin easily flakes away and feels dry and tight. Rough callous like patches… can form on elbows, knees and feet. Painful deep cracks or fissures… can occur on hands, fingertips, between the fingers and on soles and heels of feet. Rough, dry, flaking skin requires an intensive moisturizer such as Quintessence Skin Science™ Dual Action Moisturizing Lotion. Developed by Dermatologists, it combines the best and most proven moisturizing and keratolytic agents in one highly effective product. Directions For Use: For best results, apply to slightly moistened (slightly wet) problem dry skin areas, twice a day.