Do I need to use a toner and wait 20 minutes before I use Tretinoin?

Dear professionals, i am new using Retin A, so if i want to know if i am doing in the correct order at PM: 1-Cleansing oil(DHC) 2-Cleanse with gentle cleanser(Zo Skin health) 3-Tone, balancing toner(Zo Skin health) wait 20 minutes and mix Tretinoin with the Pigment control + Bleding cream 4% HQ – RX My question: do i need to wait so long and do i need to use toner?? Thank you very much