Bar Keeper's Friend Toilet Bowl Cleaner

Ingredients from the label

Water, Hydrochloric Acid, Thickening Surfactants, Fragrance, Colorant 

Directions from Packaging

TO OPEN CHILD RESISTANT CAP: Hold bottle firmly with one hand on a flat surface. To open, follow directions shown on cap. AVOID SQUEEZING BOTTLE WHEN OPENING. To reseal, turn cap clockwise until tightly closed. TO CLEAN AND DEODORIZE: Raise toilet seat. Remove excess dirt and grime before cleaning deodorizing. Then flush. Wet all surfaces of inside bowl, including sides and under the rim, with approximately 6 oz. of product. Replace cap securely. Let soak for at least 5 minutes. Do not close toilet bowl lid. Brush entire bowl thoroughly with a bowl brush and flush. Rinse brush in fresh water after use. Repeat if necessary

Warnings

DANGER: CORROSIVE. HARMFUL IF SWALLOWED. KEEP OUT OF REACH OF CHILDREN.; DANGER: CAUSES SEVERE SKIN BURNS AND SERIOUS EYE DAMAGE. MAY BE CORROSIVE TO METALS. Read label before use. If medical advise is needed, have product container or label available. KEEP OUT OF REACH OF CHILDREN; Keep only in original packaging. Wear protective gloves and eye or face protection. Wash hands and any exposed skin thoroughly after handling. Do not eat, drink, or smoke when using this product. FIRST AID: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do so. Continue rinsing. Immediately call a doctor or poison control center. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. wash contaminated clothing before reuse. Immediately call a doctor or poison control center. IF SWALLOWED: Rinse mouth. Do not induce vomiting. Immediately call a doctor or poison control center. IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a doctor or poison control center. NOTE TO PHYSICIAN: Probable mucosal damage may contraindicate the use of gastric lavage. PHYSICAL AND CHEMICAL HAZARDS. Do not use or mix this product with other household chemicals such as ammonia, toilet bowl cleaners, rust removers, acid, bleach or strong oxidizers, as this releases hazardous gases. Avoid contact with clothes, fabrics or carpets.;  Rinse immediately after se on metal to avoid pitting or discoloration. Avoid contact with clothes, fabric, wood, rubber, carpet, painted and papered surfaces and finished floors. Prolonged contact with metal, old porcelain, laminate tops and marble may cause discoloration