What is it: System 3 Leave On Treatment is designed for dry, damaged, color-treated hair with light thinning. Clinically and dermatologically tested, this nourishing and protective leave on treatment strengthens each strand from within, resulting in thicker, fuller hair.
Why you'll love it: This treatment helps balance the scalp, creating a healthy environment for hair growth. In addition to its strengthening and nourishing properties, it adds moisture and shine to your hair.
Featured ingredients: Formulated with a powerful blend of niacinamide, wild mint oil and caffeine to help nourish the hair root, stimulate hair follicles and strengthen the hair.
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
Formulated with a powerful blend of niacinamide, biotin and caffeine to help nourish the hair root, stimulate hair follicles and strengthen the hair.
Aqua/Water/Eau, Niacinamide, Caffeine, Phenoxyethanol, Sodium Benzoate, Benzyl Alcohol, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Polysorbate 80, Polysorbate 60, Acetamide MEA, Triethanolamine, PEG-23M, Tetrasodium EDTA, Propylene Glycol, Methyl Nicotinate, Parfum/Fragrance, Mentha Arvensis Leaf Oil, Mentha Piperita (Peppermint) Oil, PEG-30 Dipolyhydroxystearate, Trideceth-6, Limonene, Camellia Sinensis Leaf Extract, Silica, Cystine Bis-PG-Propyl Silanetriol, Biotin, Tocopheryl Acetate, Lecithin, Foeniculum Vulgare (Fennel) Fruit Extract, Acer Saccharum (Sugar Maple) Extract, Citrus Limon (Lemon) Peel Extract, Saccharum Officinarum/Sugar Cane Extract/Extrait de canne à sucre, Vaccinium Myrtillus Leaf Extract, Faex Extract/Yeast Extract/Extrait de levure, Propylparaben, Citrus Aurantium Dulcis (Orange) Fruit Extract, BHT, Maltodextrin, Methylparaben, Potassium Sorbate, Ethylparaben, Butylparaben.
- Thickens the hair: clinically designed to add thickness and fullness to dry, damaged, color-treated hair with light 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, creating a healthier environment for the scalp.
- Reduces hair thinning: helps minimize hair breakage, promoting the appearance of fuller, thicker hair while protecting the color.
- Nourishes the scalp: infused with nourishing ingredients and antioxidants, the Scalp + Hair Thickening Treatment can nourish and revitalize the scalp, improving its overall health and condition.
- Apply Nioxin System 3 Scalp + Hair Thickening Treatment to towel-dried hair, focusing on the scalp and areas of concern.
- Massage gently to ensure even distribution.
- Do not rinse out. Style as desired.
- For optimal results, use alongside Nioxin System 3 Scalp + Hair Shampoo and Conditioner.
We recommend using the complete system at least 3 times a week for visible results in 30 days.





