Nioxin System 4 kit products laid down against orange background

Nioxin Full Size System 4 Kit products against white background

Before and after on ginger hair using Nioxin System kit 4

what to expect in 30 days with Nioxin System Kits

Nioxin System 4 Kit ingredients infograph

HAIR THICKENING KITS

System Kit 4

FOR COLORED HAIR WITH PROGRESSED THINNING

Details: What is it: A 3-step professional system including a shampoo, conditioner, and leave-on treatment, clinically designed to target progressed thinning for color-treated or dry, damaged hair.
The Scalp + Hair Thickening Treatment contains UV protecting ingredients for the scalp and hair.
Why you'll love it: System Kit 4 delivers essential nutrients and antioxidants to the scalp, nourishing and protecting it against damage. Clinically and dermatologically tested, delivering thicker, fuller hair in 30 days.
Featured ingredients: Formulated with powerful ingredients like niacinamide, wild mint oil, peppermint oil, and caffeine.
Key Benefits: THICKENS THE HAIR: clinically designed to add thickness and fullness to dry, damaged, color-treated hair with progressed thinning, with visible results in just 30 days.
SUPPORTS SCALP HEALTH: advanced formula gently cleanses the scalp, removing impurities and excess sebum that can clog hair follicles.
REDUCES HAIR THINNING: helps minimize hair breakage, promoting the appearance of fuller, thicker hair while protecting the hair color.
NOURISHES THE SCALP: infused with nourishing ingredients, antioxidants, and UV protecting ingredients, this kit's Scalp + Hair Thickening Treatment can nourish and revitalize the scalp, improving its overall health and condition.
Real Results: 85% of consumers noticed a thickening effect with our hair thickening products
80% noticed an increase in hair density
80% noticed an increase in hair fullness

How to use

1
Apply shampoo to scalp and gently massage evenly. Rinse thoroughly.
2
Rub conditioner from root to ends. Rinse thoroughly.
3
Apply the treatment to scalp and hair, from roots to ends. Do not rinse.
4
Use the complete system at least 3 times/week for visible results.

ingredients

Formulated with a powerful blend of niacinamide, biotin and caffeine to help nourish the hair root, stimulate hair follicles and strengthen the hair.

CAFFEINE

Stimulates hair follicles, improves blood circulation and maintains the skin barrier

NIACINAMIDE

A form of Vitamin B3, niacinamide helps nourish the hair root and can have a positive impact on hair growth and overall scalp health

MENTHA ARVENSIS LEAF OIL

Also known as wild mint oil, this oil is known for its refreshing and invigorating benefits that stimulate the scalp and promote circulation

PEPPERMINT OIL

Can assist in regulating sebum production and controlling oiliness

FAQS

How do I know which System Kit is right for me?: 1.
For natural, untreated hair with light thinning, we recommend System Kit 1.
2.
For natural, untreated hair with progressed thinning, we recommend System Kit 2.
3.
For damaged, dry, or colored treated hair with light thinning, we recommend System Kit 3.
4.
For damaged, dry, or color treated hair with progressed thinning, we recommend System Kit 4.
How do I know which kit to use if I previously used System Kit 5 or 6?: We recently transitioned from 6 kits to 4 to make it even easier to navigate which kit will help you meet your hair goals. If you previously used System Kit 5, we recommend using System Kit 3. If you recently used System Kit 6, we recommend using System Kit 4.
How often should I use the 3-step system to see results?: We recommend using the complete system at least 3 times a week for visible results in 30 days.