Tazarotene as the better tretinoin? How to find a reliable/safe source?

#1

https://www.reddit.com/r/tretinoin/comments/1rum496/after_5_years_on_tretinoin_i_decided_to_switch_to/
https://www.reddit.com/r/tretinoin/comments/1rum496/after_5_years_on_tretinoin_i_decided_to_switch_to/

#2

Yes but it is more aggressive with side effects as well.