How long does a serum last?

For a recommended use of 3 drops of serum to be applied morning and/or evening to the face, neck and décolleté, the average duration of our serums is :

Face serum :

• For 15ml: 1 and a half months,
• For 30ml + 5ml free travel size: 3 to 4 months.

Eye serum :

• For 15ml: 3 to 4 months.

Updated on: 04/08/2025