Sothys serum jeunesse Firming specific youth serum

Sothys serum jeunesse Firming specific youth serum- jeunesse focus fermeté

This serum with a stretch-effect gel texture helps to limit skin slackening to tone, firm and visibly lift the features.

Apply morning and evening to the face and neck (1 use = 1 to 2 pumps). Follow with a suitable cream.

Skin is less slack, it is toned : 100% satisfaction*
Smoothed features : 100% satisfaction*
Improvement in firmness 26% after 30 days and 40% after 60 days**.

* Self-evaluation carried out on 22 people after twice-daily use of the Firming-specific youth serum for 30 days.
** Technical expertise measured on 21 people after twice-daily use of the Firming-specific youth serum for 60 days.