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L'Oréal Professionnel Serioxyl Denser Hair Serum

If you want to achieve denser looking hair, L'Oreal Professionnel Serioxyl Denser Hair Treatment is what you're looking for. Formulated with Stemoxydine™, the first hair-revealing molecule and Neohesperidin™ that protects against oxidative stress to ensure it functions correctly, the serum helps you to achieve denser looking hair.

The innovative serum, Serioxyl Denser by L'Oréal Professionnel, can be applied directly to the scalp every evening for three months to boost hair density.

*visibly denser hair in three months.


  • Thin hair
  • Fine hair


  • Boosted density
  • Scalp protection
  • Anti-oxidation


  • Use every evening daily for 3 months.
  • Apply 4 pipettes depending on hair thickness.
  • Apply to dry or towel-dried roots, ensure that the product covers the whole scalp and formula has been absorbed. There's no need to rinse, simply leave it to dry.
  • The L'Oréal Professionnel Serioxyl Denser Hair Serum is best used with the L'Oréal Professionnel Serioxyl Kit.