Product Details

Nioxin Scalp + Hair Thickening System 4 Leave In Treatment:

Nioxin Scalp + Hair Thickening System 4 Leave In Treatment is clinically and dermatologically tested to target progressed thinning in coloured hair. Infused with essential nutrients, antioxidants and botanicals, it nourishes and strengthens each strand from root to tip, boosting density and fullness. Its advanced UV filters shield both scalp and hair from sun damage, supporting a healthier-looking scalp environment.

Key Benefits

• Nourishes and strengthens thinning hair strands
• Boosts hair volume and density for fuller-looking hair
• Protects scalp and hair from UV damage
• Delivers antioxidants and botanicals to refresh the scalp
• Clinically and dermatologically tested formula

Suitable For

• Progressed thinning or thinning-prone hair
• Coloured or chemically-treated hair
• Dry or damaged hair types

Directions For Use

1. After shampooing and conditioning, shake the bottle well.

2. Part hair into sections and apply treatment directly onto the scalp.

3. Gently massage with fingertips to distribute evenly.

4. Do not rinse; style as usual.

Pro Tips

• Use daily for optimal thickening results
• Massage scalp for 2-3 minutes to improve absorption
• Pair with Nioxin System 4 shampoo and conditioner for a complete regimen

Ingredients

Aqua/Water/Eau, Niacinamide, Phenylbenzimidazole Sulfonic Acid, Caffeine, Polysorbate 20, Benzophenone-4, Phenoxyethanol, Sodium Benzoate, PEG-12 Dimethicone, Benzyl Alcohol, Sodium Hydroxide, Cocamidopropyl Betaine, Acetamide MEA, Tetrasodium EDTA, Propylene Glycol, Methyl Nicotinate, Mentha Arvensis Leaf Oil, Parfum/Fragrance, Polysorbate 80, Polysorbate 60, PEG-23M, Mentha Piperita (Peppermint) Oil, Limonene, Camellia Sinensis Leaf Extract, Cystine Bis-PG-Propyl Silanetriol, Lecithin, Tocopheryl Acetate, Biotin, Foeniculum Vulgare (Fennel) Fruit Extract, Silica, Citrus Limon (Lemon) Peel Extract, Saccharum Officinarum/Sugar Cane Extract/Extrait de canne à sucre, Acer Saccharum (Sugar Maple) Extract, Vaccinium Myrtillus Leaf Extract, Citric Acid, Faex Extract/Yeast Extract/Extrait de levure, Propylparaben, Citrus Aurantium Dulcis (Orange) Fruit Extract, Maltodextrin, Methylparaben, Potassium Sorbate, Ethylparaben, Butylparaben, BHT.

*We make every effort to keep our ingredient lists accurate and up to date. However, formulations may be improved or adjusted over time, and slight variations can occur between regions due to local regulations. For the most accurate information, always refer to the ingredient list printed on your product packaging.

Frequently Asked Questions

Q. How often should I use Nioxin Scalp + Hair Thickening System 4 Leave In Treatment?

A. For best results, apply the leave-in treatment daily after cleansing with your preferred Nioxin System 4 shampoo and conditioner.

Q. Is this leave-in treatment suitable for coloured hair?

A. Yes, this formula is specifically designed to strengthen and protect coloured and chemically treated hair.

Q. Can I use other Nioxin range products with this leave-in treatment?

A. Absolutely. For a comprehensive thickening routine, pair this leave-in with Nioxin System 4 shampoo and conditioner.

Q. Will the treatment weigh my hair down?

A. No, the lightweight formula is designed to deliver nourishment and volume without leaving hair feeling heavy.

Q. When will I see visible results?

A. Many users notice improved hair fullness and scalp health within 4-6 weeks of consistent daily use.

Q. Is Nioxin Scalp + Hair Thickening System 4 Leave In Treatment safe for sensitive scalps?

A. This product is dermatologically tested; however, if you have sensitive skin, perform a patch test before full application.