ConvaTec Sensi-Care® Sting Free Skin Barrier Wipes have a non-alcohol, silicone-based formula for skin protection. Silicone-based formula. Provides a barrier film layer on the skin. Creates a breathable barrier that protects the skin from damage caused by adhesives. Safe and effective even with frequent use: no residue build-up or bonding to skin folds. Fragrance, and Dye Free, Non-Sterile, and Non-alcohol.