As long as you use any cache plugins, the plugins will cache cookies as well.
You can set to exclude all these cookies from your caching system (applies to multi currency, multi-measurement widgets)
my_custom_curr my_custom_curr_pos my_custom_curr_symbol is_user_logged_in wpestate_favorites
EX: How to exclude from Fastest Cache plugin
Exclude these cookies from being cached
Ex: How to exclude from WP Rocket plugin