I think the quality is good but I didn't notice a lot of difference in my skin texture. The fragrance is light and to me, more floral. I am easily put off by overpowering scents but this was light and pleasant. I actually would have loved for it to have a stronger smell since I did like the fragrance itself, but it was very light. And sometimes I could not smell it at all after applying it. Definitely a good effect for the days I may have nausea or a migraine.
I will continue to use it. If I notice a bigger change in my skin I will definitely come back and make an update on it.
One ampule gives me 2-3 uses but I am only using maybe a pea sized amount and rubbing it into half of my face. Why only half of my face? I was trying to see if I could tell a difference in its effectiveness. Sort of a control side and an experimental side.
It's also light on the skin but I really only use it at night under my heavier layers of skin care. Maybe I need to try adding this to my daytime routine as well to see more improvement. So I couldn't say if it's sticky or has a weird texture under makeup. It's definitely not sticky at night for me, but I'm also covering it in a skin oil and a cream. None of the products I use are sticky.