Time to show your hair who’s boss. Meet the Nioxin System 4 Duo Pack – your hair’s new ride-or-die duo for thicker, fuller-looking locks. Specially designed for color-treated hair that’s starting to thin, this powerhouse pair works like a personal trainer for your scalp and strands.

Inside the bottle? Science-backed formulas packed with purifying botanicals and scalp-loving ingredients that remove follicle-clogging gunk, pump up the volume, and protect your hair color. Bye-bye buildup, hello bounce!

What’s in the box?

• Cleanser Shampoo (1L): Gently detoxes the scalp and hair, removing excess oil and environmental residue.
• Scalp Therapy Conditioner (1L): Delivers lightweight moisture and strengthens hair from root to tip, leaving you with that "just-left-the-salon" confidence.

Perfect for anyone who's thinking, "Why does my ponytail look thinner than last year?"

How to Use:

1. Shampoo Like a Pro:
   Apply a small amount of the Nioxin Cleanser Shampoo to wet hair. Gently massage into your scalp and hair for 1 minute, enjoying the minty tingle. Rinse thoroughly. 
2. Condition With Care:
   Work the Scalp Therapy Conditioner through your scalp and hair, focusing on the roots and ends. Leave on for 1–3 minutes while you hum your favorite tune. Rinse well.
3. Repeat Daily for best results – and get ready for stronger, fuller hair that loves you back.

Pro Tip:

Pair with the Nioxin Scalp & Hair Treatment (Step 3) for the full 3-step system experience – because your hair deserves the VIP treatment.