I’m using Dr Bronners Castile Baby soap- not tear free so just be aware of that & dilute it :)

https://www.amazon.com/Dr-Bronners-Pure-Castile-Liquid-Soap/dp/B000HJXQ9G/ref=mp_s_a_1_3?adgrpid=66543604943&gclid=CjwKCAiA-dCcBhBQEiwAeWidtWKOrY4dws2qD7s9IOHmgrEwlHhQen5FLnr0z0_1rUecE6jzx9vEphoCsbMQAvD_BwE&hvadid=410004100760&hvdev=m&hvlocphy=9026832&hvnetw=g&hvqmt=e&hvrand=17407184403381302937&hvtargid=kwd-341710747668&hydadcr=12133_11117509&keywords=dr+bronner%27s+castile+soap+baby&qid=1670732266&sr=8-3