Use as little soap when bathing so as not to leave chemical residue that might harm your baby. (breastfeedbub.com)
Avoid getting any oils or other chemical residue on the surface after it's clean. (mechanics.stackexchange.com)
From baby formula to coffee and even red wine, this... MORE detergent is designed to get stains out without leaving any kind of chemical residue. (thespruce.com)