Nioxin System 4 Shampoo & Conditioner 1L Duo

The Nioxin System 4 Shampoo & Conditioner 1L Duo is a complete thickening treatment designed for coloured hair with progressed thinning. Combining scalp-purifying ingredients with moisture-balancing technology, it helps remove follicle-clogging impurities, restore hydration, and protect hair colour for thicker, fuller, and healthier-looking hair.

The Nioxin System 4 Cleanser Shampoo gently removes sebum, product build-up, and environmental residues from the scalp and hair. The Nioxin System 4 Scalp Therapy Conditioner nourishes and hydrates without weighing hair down, improving resilience while maintaining moisture balance and colour vibrancy.

Bundle includes:

• Nioxin System 4 Shampoo 1L – Purifying, colour-safe cleanser for progressed thinning
• Nioxin System 4 Conditioner 1L – Lightweight moisturising conditioner to protect and strengthen

Key benefits:

• Thickens and strengthens coloured hair with advanced thinning
• Removes follicle-clogging sebum and build-up
• Restores moisture balance without heaviness
• Protects colour and enhances shine
• Large 1L bottles for extended use

How to use:

• Apply shampoo to wet hair and scalp
• Massage gently, then rinse thoroughly
• Follow with conditioner, applying from scalp to ends
• Leave for 1–3 minutes before rinsing

FAQs
Who should use System 4?
It’s ideal for people with coloured hair experiencing progressed thinning who want thicker, stronger, and more resilient hair.

How is it different from System 3?
System 4 targets advanced thinning, while System 3 is designed for light thinning in coloured hair.

Can I use it every day?
Yes – the formula is gentle enough for daily, colour-safe use.