Do not take internally and avoid contact with eyes, skin, or clothing. All deicers increase the number of freeze thaw cycles which can accelerate surface damage to concrete. Any poor quality concrete regardless of age, is susceptible to such damage. Use this product only on properly formulated, cured, placed, air–entrained concrete that is more than one year old. Do not use brick or flagstone walkways with mortar joints. Avoid breathing dust. This product can adversely affect leather shoes and gloves. This product must be used at the user's own risk of loss or damage from use, storage or handling.