NIOXIN Scalp + Hair Thickening System 2 Shampoo 33.8 fl oz — Niacinamide & Biotin for Progressed Thinning

Nioxin Scalp + Hair Thickening System 2 Shampoo is a professional-grade derma-purifying cleanser formulated to remove buildup and help hair appear thicker and fuller for natural, untreated hair with progressed thinning.

This concentrate-size shampoo (33.8 fl oz) is the first step in the Nioxin three-part System 2 regimen, developed to clarify the scalp and amplify hair structure. Powered by Activ-Renewal technology and enriched with niacinamide and biotin, the formula targets sebum, fatty acids and environmental residue that can weigh hair down so subsequent treatments can work more effectively.

How does this shampoo prepare hair and scalp for thickening treatments?

Nioxin System 2 shampoo cleanses deeply to create a cleaner foundation for conditioners and topical treatments to deliver visible improvement. Removing excess oils and pollutants helps reduce residue that can mask hair density and impede product penetration.

• Activ-Renewal technology targets sebum, fatty acids and environmental buildup.
• Derma-purifying action clears follicles for improved contact with follow-up products.
• Use as step one in the three-part System 2 routine for best outcomes.

What results can I expect and how quickly?

Users report noticeable changes in hair thickness, density and fullness with continued use, and the formula is designed to produce visible improvements when combined with the full System 2 kit. Results depend on individual hair condition and consistent application.

• Clinical consumer feedback shows high percentages noticing thicker, fuller hair.
• Regular daily use supports cumulative improvements to hair resilience and appearance.
• Combining shampoo with System 2 conditioner and scalp treatment improves effectiveness.

How do I use Nioxin System 2 Shampoo for best effects?

Apply to wet hair, gently massage into the scalp and hair to generate lather, leave on for about one minute, then rinse completely. For a complete regimen, follow with Nioxin System 2 Scalp Therapy Conditioner and the Scalp & Hair Treatment.

• Wet hair thoroughly before application.
• Massage into scalp for about 60 seconds to help lift residue.
• Rinse fully and follow with the matching conditioner and treatment.

What key ingredients are included and why do they matter?

The formula incorporates niacinamide and biotin alongside botanical extracts and antioxidant components to support scalp condition and hair strength. These ingredients are selected to cleanse gently while nourishing the scalp environment without harsh stripping.

• Niacinamide: helps support scalp condition and manage surface factors.
• Biotin: contributes to hair resilience and a healthier-looking strand appearance.
• Botanical antioxidants and UV-protecting elements to help protect hair from environmental stressors.

Who is this for: Nioxin Scalp + Hair Thickening System 2 Shampoo is designed for people with natural, untreated hair experiencing progressed thinning who want a salon-developed, scalp-focused cleansing step. It suits those seeking to reduce follicle-clogging buildup, enhance the appearance of hair thickness, and maximize results when used as part of the full System 2 regimen. Avoid if your hair is chemically-treated or if your stylist has recommended a different Nioxin system for your hair profile.

Ingredients

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