NIOXIN System 3 Scalp + Hair Conditioner is a lightweight, strengthening conditioner specially formulated to add visible thickness and protect color-treated, damaged hair that shows light thinning. Nioxin’s System 3 formula pairs science-backed ingredients like niacinamide, biotin and caffeine in a moisturizing conditioner designed...

NIOXIN Scalp + Hair Thickening System 3 is a three-step kit that cleanses, conditions, and delivers a leave-in treatment to visibly increase hair thickness and protect color on dry, damaged hair with light thinning. This full-size, three-month supply from NIOXIN targets the scalp and...

Nioxin System 3 is a three-step scalp and hair thickening regimen formulated for dry, damaged, color-treated hair with light thinning, combining shampoo, conditioner and a leave-in thickening treatment. This professional-grade kit brings together a clarifying shampoo, a restorative conditioner and a leave-in scalp treatment...

Nioxin System 3 Scalp + Hair Shampoo is a color-safe cleanser formulated to hydrate dry, chemically treated hair while gently removing residue to improve scalp health and the appearance of fullness. Built as the first step in Nioxin's three-part regimen, System 3 is designed...

Nioxin System 2 Scalp Therapy Conditioner is a lightweight, density-protecting conditioner formulated to strengthen natural hair with progressed thinning while helping retain moisture for a fuller look. Designed as the second step in Nioxin’s three-part regimen, this 10.1 fl oz conditioner pairs with the...

Nioxin System 2 Scalp + Hair Thickening Conditioner is a lightweight, salon-grade conditioner formulated to strengthen and moisturize natural or untreated hair with progressed thinning while improving the appearance of fullness. This conditioner is the second step in Nioxin’s three-part regimen designed specifically for...

NIOXIN Scalp + Hair Thickening System 4 is a three-step kit that helps create thicker-looking, strengthened hair for color-treated, damaged hair with progressed thinning. This trial-size, one-month supply combines a cleanser, lightweight conditioner, and a leave-in scalp treatment formulated to refresh the scalp, remove...

Nioxin Scalp + Hair Thickening System 2 Shampoo is a salon-grade cleanser formulated to deeply remove buildup and prime natural, untreated hair with progressed thinning for fuller-looking strands. This professional-strength shampoo is step one in Nioxin’s three-part System 2 regimen, blending scalp-focused technology with...

Growplex Replenish Conditioner is a lightweight, botanical-rich conditioning treatment that hydrates strands, helps reduce breakage, and supports the appearance of fuller, healthier-looking hair. Formulated for everyday use, this 250ml conditioner blends biotin with argan and macadamia seed oils to restore moisture, improve manageability, and...

Nioxin System 4 Shampoo & Conditioner Prepack is a two‑step salon-grade regimen formulated to strengthen, thicken appearance, and protect color-treated, dry or damaged hair with progressed thinning. Designed as the first two steps of Nioxin’s three-part professional protocol, this prepack pairs a deep-cleansing cleanser...

Nioxin System 1 Shampoo & Conditioner Prepack is a three-step scalp and hair care system formulated to cleanse, strengthen, and visibly thicken natural or untreated hair experiencing light thinning. This professional-strength kit pairs a clarifying shampoo and a lightweight conditioner with targeted scalp treatment...

Nioxin System 1 Scalp + Hair Thickening Conditioner is a lightweight, moisture-balancing conditioner formulated to strengthen and amplify natural hair with light thinning. This salon-grade conditioner is the second step in Nioxin's System 1 routine, created to support scalp health while improving hair resilience...

Nioxin System 4 Scalp + Hair Conditioner is a lightweight, density-protecting conditioner formulated to strengthen and moisturize colored or damaged hair with progressed thinning. This professional-grade conditioner is the second step in Nioxin’s three-part scalp therapy regimen. It combines BioAMP technology with niacinamide and...

NIOXIN Density Defend Hair Growth Supplements are a daily multinutrient tablet blend designed to support fuller-looking, stronger hair and a healthier scalp when used alongside your regular hair routine. Backed by NIOXIN’s salon heritage in thinning-hair care, this 30-tablet formula combines key vitamins and...

Nioxin System 2 Scalp + Hair Thickening Conditioner is a lightweight, moisture-balancing conditioner formulated to strengthen natural hair with progressed thinning while improving scalp environment for fuller-looking hair. This professional-grade conditioner is the second step in Nioxin’s three-part regimen and pairs BioAMP technology with...

Nioxin Scalp + Hair Thickening System 1 is a three-step, salon-grade kit formulated to strengthen hair, refresh the scalp, and create the appearance of fuller, thicker natural hair with light thinning. This trial-size, one-month supply combines a cleansing shampoo, lightweight conditioner, and leave-in scalp...

Nioxin Scalp + Hair Thickening System 1 is a three-step professional kit that cleanses, conditions, and treats natural hair with light thinning to improve scalp health and create the appearance of thicker, fuller hair. If you have natural, untreated hair showing early signs of...

Nioxin System 4 is a three-step thickening regimen formulated to restore the look of fuller, stronger hair for color-treated, dry or damaged hair with progressed thinning. This professional-strength kit pairs a clarifying cleanser, a lightweight conditioner, and a leave-in scalp treatment that together target...

NIOXIN System 2 Scalp & Hair Thickening Leave-In Treatment is a daily leave-in formula that nourishes the scalp and visibly boosts hair thickness for natural hair showing progressed thinning. This treatment is the final step of NIOXIN's three-part System 2, created to refresh the...

Nioxin Scalp + Hair Thickening System 2 Shampoo is a professional derma-purifying cleanser formulated to help remove buildup and create the foundation for thicker, fuller-looking natural hair with progressed thinning. This shampoo is the first step in Nioxin's three-part System 2 regimen, created for...