Ducray Kertyol P.S.O Rebalancing Treatment Shampoo 200ml is an additional care for scalps with dry and thick dandruff plates, sometimes accompanied by intense itchings.

Its tolerance is tested as an accompagniment to treatments for skin with psoriatic tendencies. It allows to effectively and durably act on all these factors:

- it removes and promotes the elimination of dry and thick dandruffs plates thanks to salicylic acid,
- it reinforces the skin barrier thanks to Vederine that boosts physiological balance of hair scalp,
- it soothes from the first application the itching sensations thanks to Celastrol,
- it limits dandruff plates thickening and also their reappearance thanks to Ichtyol that re-balances the cell renewal.

It respects hair colouration. Its use once a week in maintenance allows to durably prevents the reappearance of dry and thick dandruffs plates.

Biodegradable formula according to OCDE 301B international standard, elaborated in order to minimise the allergy risks.

Tested under dermatological control.