Add a liquid (glycerin, eye drops, mixing medium, etc) to gel liner and mix. I would advise against using tap water as it isn’t as sanitary.
Revive Dry Gel Liner Method 2:
Add 2 drops of baby oil (like Johnson & Johnson) and mix. You can even use Vaseline jelly. Basically any oil-based product that is safe for the eye area.
Revive Dry Gel Liner Method 3:
Heat it up (blow dryer, hot water, microwave, etc).
In my opinion, Method 1 requires far too much work. LOL. Too messy, too much trouble, too much time! Method 2 is slight less troublesome, but I worry about the addition of oil to the original formula. I have oily enough eyelids and the idea of adding more oil just doesn’t sound inviting.
That leaves us with Method 3, the heat method! Even within Method 3 there are more ways than one. Let’s go over them one by one.