StreePRO’s formula safely and efficiently removes protein stains. Stains in this group often require alkaline action for complete removal. However, certain sensitive dyes may be damaged by products with unknown alkalinity. StreePRO is specially formulated to remove frequently encountered stains like food, milk, blood, perspiration, baby formula and urine. Choose StreePRO for safe, fast and effective removal of protein stains. StreePRO is safe to most fabrics and colors. If colorfastness is questionable, test garment in a hidden area.