System 4 Trial Kit Round Brushes restores natural elasticity and effectively

restores natural elasticity and effectively reduces hair breakage

Hair fibre is up to 12 x more resilient to external stressors*

Provides violet highlights and pastel rosewood tones to blonde hair

Featuring new anti-static nylon bristles that penetrate hair deeper than natural bristles

citrusy scent with uplifting notes of lime

System 4 Trial Kit Round Brushes restores natural elasticity and effectivelyAchieve thicker, fuller looking hair and restore moisture balance with Nioxin's 3 part system 4 for Coloured Hair with Progressed Thinning. This unique set of 3 thinning hair products helps strengthen hair resilience against cuticle damage, reduces hair fall due to breakage and delivers denser looking hair. Key Benefits Professional treatment for Coloured Hair with Progressed Thinning For denser looking hair and increased protection against damage