Contact us

You can contact us by e-mail at or by post at: Mastel SAS, 17 rue Mozart, Bat A. 1st floor, 77185 France or by telephone at +33 (0) 7 56 99 97 54.

Or you can use the form below.

See you soon,

signature Julie and Louis co-founders of Mastel, organic cosmetics

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.