DUOLOGI Anti - Brass Hair Mask

Anti-Brass Hair mask instantly neutralises brassy or yellow undertones while nourishing the hair to leave it smooth and bouncy with a beautiful cool tone.

Skin care ingredients Hyaluronic Acid and Amino Acid help reduce hair and scalp dryness while protecting hair from damage to leave you with moisture-rich, resilient, and silky-smooth strands from the root.

Anti-brass effect from the first application^∆
Replenishes, soothes, and nourishes the hair fibre, enhancing shine and radiance of blonde, silver and grey hair*
More luminous hair^◊

* Consumer Tested – tested in combination with Duologi Anti-Brass Hair Mask and Duologi Light Crème Conditioner.

^◊ Ex-vivo – tested in combination with Duologi Anti-Brass Hair Mask after 21 washes.
^∆ In-vivo – before/after pictures after using Duologi Anti-Brass Shampoo + Duologi Anti-Brass Hair Mask, after a single application; and after 28 days in dyed (bleached) hair.