Nioxin Scalp + Hair Thickening System 1 is a three-step salon-strength kit that strengthens strands, refreshes the scalp, and creates fuller-looking natural hair with light thinning. This kit combines a cleanser, a lightweight conditioner, and a leave-in scalp treatment formulated to reduce breakage, remove...

Nioxin System 4 is a three-step salon-grade kit formulated to help hair appear thicker and stronger for color-treated, dry or damaged hair with progressed thinning. If your hair is color-processed, fragile, and showing signs of advanced thinning, this complete Nioxin Scalp + Hair Thickening...

Nioxin System 2 is a three-step salon-grade kit that cleanses, conditions and treats natural hair with progressed thinning to create thicker-looking hair and reduce breakage. Designed for natural or untreated hair showing progressed thinning, Nioxin Scalp + Hair Thickening System 2 combines a cleanser,...

Nioxin System 4 Scalp + Hair Shampoo is a professional cleanser made to gently remove buildup and support thicker-looking, color-treated hair with progressed thinning. This salon-developed shampoo is the first step in Nioxin’s three-part regimen for color-treated hair that has experienced thinning and damage....

Nioxin Hair Fall Defense Kit pairs a scalp-clearing shampoo with an intensive daily leave-in serum to visibly reduce hair fall and strengthen strands at the root. This two-step system combines Nioxin's Hair Fall Defense Shampoo (8.1 fl oz) and the Hair Fall Defense Serum...

Nioxin System 3 Scalp + Hair Shampoo is a salon-grade cleanser formulated to refresh dry, color-treated hair and scalp while helping hair appear thicker and fuller in cases of light thinning. Designed as the first step in Nioxin’s three-part regimen, System 3 combines botanicals,...

Nioxin System 4 Scalp + Hair Shampoo is a professional cleanser formulated to gently remove buildup and help hair appear thicker and fuller on color-treated, damaged hair with progressed thinning. This concentrated shampoo is the first step in Nioxin's three-part System 4 regimen, engineered...

Nioxin Scalp + Hair Thickening System 3 is a three-step, salon-grade regimen designed to visibly thicken and strengthen dry, color-treated hair with light thinning in about 30 days when used daily. This trial-size System 3 from Nioxin Pro Clinical pairs a clarifying shampoo, moisture-restoring...

NIOXIN System 4 Shampoo & Conditioner Prepack is a two‑step professional kit formulated to cleanse, fortify and add visibly thicker body to color‑treated, dry, damaged hair with progressed thinning. This prepack pairs NIOXIN’s cleansing and conditioning technologies in full‑size 33.8 fl oz bottles (pumps...

NIOXIN System 1 is a three-part cleansing and conditioning regimen designed to strengthen natural, untreated hair with light thinning and improve the look of fullness and scalp clarity. Built from over three decades of scalp and thinning-hair research, this prepack pairs the System 1...

Nioxin System 2 Prepack is a three-part scalp and hair thickening regimen formulated for natural or untreated hair with progressed thinning, delivering a cleaner scalp and visibly fuller-looking strands. This professional kit combines a clarifying cleanser, a lightweight moisture-balancing conditioner, and targeted scalp treatment...

NIOXIN Hair Fall Defense Shampoo is a scalp-cleansing formula designed to reduce visible hair shedding and strengthen strands when used consistently. This concentrated shampoo targets scalp build-up while delivering a blend of active ingredients — niacinamide, caffeine, lauric acid and the sandalwood-derived SANDALORE —...

Nioxin Hair Fall Defense Shampoo is a scalp-cleansing formula designed to reduce visible hair fall and strengthen hair from the root when used daily. Designed for people noticing increased shedding and weakened strands, this 16 fl oz shampoo combines niacinamide, caffeine, lauric acid and...

NIOXIN System 4 Trial Kit is a three-step scalp and hair thickening regimen formulated to strengthen, refresh, and create the appearance of denser hair for color‑treated, damaged hair with progressed thinning. Designed by a salon brand with decades of thinning‑hair expertise, this trial‑size System...

Nioxin Night Density Rescue Serum is an overnight, leave-on treatment formulated to help reduce hair fall linked to scalp surface oxidation and promote the appearance of thicker, fuller hair within weeks. This intensive night serum uses Nioxydine(24) Technology, a targeted antioxidant blend designed to...

Nioxin Diamax Advanced Hair Thickening Serum is a daily leave-in treatment that visibly increases individual hair diameter for thicker, fuller-looking hair and helps protect strands from breakage. Nioxin Diamax combines HTX technology with scalp-friendly actives such as caffeine, niacinamide and panthenol to deliver thicker-looking...

Nioxin System 2 Scalp + Hair Thickening Conditioner is a lightweight, moisture-balancing conditioner formulated to strengthen natural or untreated hair with progressed thinning and help it appear fuller. This conditioner is the second step in Nioxin’s three-part regimen designed specifically for natural hair showing...

NIOXIN Scalp Recovery Anti-Dandruff System Kit is a three-step regimen—shampoo, conditioner, and soothing serum—formulated with pyrithione zinc and green tea extract to target itching, flaking, and scalp dryness from the first use. This trial-size kit brings together a medicating cleanser, a moisturizing conditioner, and...

NIOXIN System 3 Scalp + Hair Thickening Treatment is a leave-on serum formulated to nourish the scalp and increase the apparent fullness of color-treated, damaged hair with light thinning. This professional-strength finish step in the NIOXIN System 3 regimen is built to support scalp...

Nioxin Scalp + Hair Thickening System 1 Leave-On Treatment is a salon-formulated leave-in that helps improve hair thickness appearance and nourishes the scalp for natural or untreated hair with light thinning. This lightweight leave-on treatment is the finishing step in Nioxin’s System 1 routine,...