> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help-codageparis.crisp.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How long does a 15ml Made-to-measure Eye Contour Serum last?

If you use one drop twice a day, morning and evening, for both eyes, your treatment will last 3 to 4 months.