Why do you recommend applying Sisleÿa Global Firming Serum with a closed fist ?

Can Sisleÿa Global Firming Serum be used on its own ?

Can it be used on the eye contour area?

Is it possible to use Sisleÿa Global Firming Serum together with other products ?

Does Sisleÿa Global Firming Serum contain essential oils?

At what age can you start to use Sisleÿa Global Firming Serum ?

What is elastin ?

What is the dermal structure?

Questions - Answers

Why do you recommend applying Sisleÿa Global Firming Serum with a closed fist ?

This enables a better penetration of the active ingredients.
This massage helps to stimulate all the productions of the fibroblast