> ## 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).

# Is it possible to modify my made-to-measure serum?

Yes, absolutely. All you need to do is [carry out a new skin diagnosis](https://www.codageparis.com/pages/quiz), enabling us to adjust your tailor-made serum perfectly to your skin's specific needs and the season. You can also [book an appointment](https://book.pure-informatique.com/?locationID=53668&CategoryID=145&TreatmentID=4623390) directly with our skin experts to receive personalised support.