I also use it 2 times a day. It usually lasts about 8 weeks. I apply a drop, about the size of the head of a match, to the pad of my ring finger and that it enough to do my eyes and upper lip. I do apply it under my brows and on the sensitive skin under and at the corner of my eyes.

I use in the morning only, using 3-4 shakes to 3 pumps or sprays of a vitamin solution. It has smoothed out skin tags that were forming on my neck. I also use on brow area above the lid.

I use about 1/2 a drop per eye. I have used it on my lids and it seemed ok. Mainly I use it under my eyes though.

I use just a tiny (size of rice grain) application under the eye only. Just pat on and never rub.

I just use it at night & it seems to be lasting forever....I squeeze a tiny bit on my ring finger, then dot a bit under and above my eye close to the nose & then go back & lightly pat from the center outward, repeating until it's evenly distributed. Using only one finger for distribution helps to maximize the small amount of product needed :0)

It is enough to use it 1x per day, better in the evening, and you use just a drop. I use under brows as well.