Exosomes is one of the non-surgical hair loss treatment. You should not expect same effect with hair transplant to regrow hair.
Main claim of exosomes treatment preventing and slow down hair loss and at the same time help to regrowth hair. Regrowth hair claim is not excat claim in non-surgical hair loss solution.
Exosomes treatment says the effect of this treatment usually takes 6-8 weeks and you may wait till you complete two month.