Will using Upneeq cause sunlight sensitivity? Should I avoid bright lights when using this product?

Upneeq will definitely not have any effect on the longevity or effectiveness of Botox. It has been proven to significantly improve lid ptosis and typically will last around 12 hours.

Upneeq should not lead to worsening vision. It is recommended that when wearing contacts, you take the contacts out prior to using Upneeq and waiting 15 minutes after applying Upneeq to put them back in. It is important to not let the tip of the vial touch your eye or any other surface, for...

Yes, it is safe to re-apply drops after 8 hours, but is important to use a different vial if doing so, due to the risk of contamination. Upneeq is at its peak at 2 hours.