Had Juvederm under hollow of my eyes how long do I ice for?

Thank you for your question. Apply a cold compress to the area for 10 mins on 10 mins off as much as possible for 3 days. All the best, 

Technically after 72hrs, icing will not do much in terms of reducing swelling/bruising. Bruising and swelling is very common to this area after filler and will resolve after 5-7 days.

Icing is important for the first 48-72 hours after filler injections to sensitive areas, regardless of whether it is performed with the traditional sharp needle technique or with the bruiseless microcannula technique.   I personally dont treat tear troughs / eye hollows with Juvederm as I have found that it can often lead to a "swollen" or "doughy" look even weeks to months after the injections -- this is thought to be the case because Juvederm is more hydrophilic, or draws more water, than the other Hyaluronic acid fillers.