It’s O.K. Green is a professional strength all purpose cleaner based on d-Limonene, the safe, citrus solvent. It’s O.K. Green contains no phosphates, caustic, acid, butyl, or any petroleum solvents. It’s O.K. Green is a safe, modern formulation that is powerful, yet safe on the environment and always leaves a pleasant orange scent. Always test for color fastness. Always wear gloves and eye protection to prevent drying of skin and possible eye irritation from splashing.