FOOD GRADE - This butcher block conditioner is lab tested to ensure that it meets food safety standards, and is also colorless, odorless, tasteless, and gluten free. PROTECTION - Use this mineral oil for cutting board restoration and protection to prevent cracking and drying. It also magically restores your knives, kitchen appliances, and more! EASY APPLICATION - This butcher block oil has a push-applicator cap and squeeze-bottle design that makes maintenance a breeze. Apply generously with a rag or by hand and let sit for 4 hours. TREATMENT - A single bottle of mineral oil for wood cutting boards can last for years! A Thirteen Chefs 1oz oil treatment every 3 months is all you need for a cutting board up to 18". MADE IN THE USA - Our 100% pure food grade mineral oil for cutting board cleaning undergoes regular safety testing and is bottled in FDA compliant facilities in the United States