Conva Tec Silesse Sting Free Skin Barrier Wipes (TR103) Made from 100% silicone, Conva Tec Silesse Sting Free Skin Barrier Wipes protect, moisturise & soothe vulnerable skin to reduce redness & irritation. The hypoallergenic formula is designed for frequent use to protect against the damaging effects of body wastes (such as faeces, urine, wound exudate, perspiration etc.) & to prevent irritation/damage from medical adhesives such as an ostomy or continence appliance. Conva Tec Silesse Sting Free Skin Barrier Wipes are large & soft & dry quickly without causing build up so you are ready to apply the next adhesive in seconds.