For older, established stains, use Supreme Products Stain
Remover Shampoo directly on to the affected area and work into
the stain allowing to soak in. Further applications may be needed
for stubborn stains. With regular use, this shampoo will assist
with the removal of yellow stains from white tails. This shampoo
does not contain dyes or any form of bleach. It is safe to use on
all coat colours and will help breakdown stains and improve
brightness and shine.