SKU: 74293821944

System 4 - Kit - Treatment for Colored Hair with Advanced Weakening

Sale price$32.85 Regular price$36.50
Save 10%

Pay in installments of $9.12 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 16 - Sep 21

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

System 4 - Kit - Treatment for Colored Hair with Advanced WeakeningIntroducing Nioxin, the top choice in professional hair care for achieving thicker and fuller locks. The Nioxin Professionals System 4 Kit specifically caters to those with dry, damaged, color treated hair exhibiting signs of significant thinning. This intensive treatment for hair and scalp is both clinically and dermatologically proven to enhance hair density and fortify strands while safeguarding color vibrancy. Remarkably, 80% of users experience a

Introducing Nioxin, the top choice in professional hair care for achieving thicker and fuller locks. The Nioxin Professionals System 4 Kit specifically caters to those with dry, damaged, color-treated hair exhibiting signs of significant thinning. This intensive treatment for hair and scalp is both clinically and dermatologically proven to enhance hair density and fortify strands while safeguarding color vibrancy. Remarkably, 80% of users experience a noticeable increase in hair fullness after its application. Crafted with a unique combination of vital ingredients including niacinamide, biotin, and caffeine, this formulation nourishes hair roots, activates hair follicles, and strengthens tresses from the root to the tip.

Start your routine by applying the Hair & Scalp Shampoo to damp hair, massaging gently for one minute, then rinse thoroughly. This shampoo is effective in eliminating buildup, such as sebum and pollution, thereby getting the scalp ready for subsequent treatments. Following this, use the Hair & Scalp Conditioner. Apply it generously to both hair and scalp, allowing it to sit for 1 to 3 minutes before rinsing completely. The conditioner restores hydration and offers protection against damage. Lastly, incorporate the Hair & Scalp Thickening Treatment into your regimen. Shake the bottle well, apply to the scalp, and leave it in—do not rinse. This rich treatment is packed with vital nutrients, antioxidants, and plant extracts that nourish and shield both hair and scalp from harm and UV exposure. For optimal results, integrate the Nioxin System 4 Kit into your daily hair care routine. It can also be paired with Nioxin’s styling range, including Hair Gel or Professional Hairspray, making it a great beauty gift option!

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 74293821944

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 21 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
M
Verified Purchase
Mar Gee
Lake Worth, US
★★★★★ 5
Style and comfort
Size: Medium, Color: Black
Exactly what I was looking for. Style and sock thickness and comfort.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025
A
Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 5
Comfortable
Size: Medium, Color: Blue
So comfortable! They stay up perfectly love love love
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
L
Verified Purchase
Lassiter Denton
Lake Worth, US
★★★★★ 5
Great quality.
Size: Large, Color: (001) Black / Black / White
Thickness and comfort are great. Quality is great and the same I would expect if I bought at the branded storefront.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026
J
Verified Purchase
Joseph Pratt
Dallas, US
★★★★★ 5
Great product.
Size: Small, Color: (001) Black / Black / White
🙏🙏🙏
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
C
Verified Purchase
Chelsey Bartoli
Chelsea, US
★★★★★ 5
Great buy!
Size: Medium, Color: (001) Black / Black / White
My husband loves these. The socks are warm and thick and extremely comfortable. They support the foot and he works outside all day and has had them for a little over a month. They stay in place and don’t move move around while he’s outside moving around.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 6, 2025

recommand products