NIOXIN Night Density Rescue Serum — Overnight Hair Thickening Serum, 2.4 fl oz, Antioxidant Night Treatment for Fuller Hair

This intensive night serum uses Nioxydine(24) Technology, a targeted antioxidant blend designed to neutralize free radicals that can affect the scalp surface. Dermatologically tested and developed by a salon brand with decades of expertise in thinning hair, the formula works while you sleep to support a healthier-looking scalp environment and visibly denser hair over time.

How does this serum work while I sleep?

The Night Density Rescue Serum is formulated as a leave-on treatment so its antioxidant complex stays active on the scalp overnight. During the skin’s natural regeneration period, the antioxidants help counteract surface oxidation that can contribute to hair fall, allowing the scalp to recover without rinsing the product away.

• Overnight leave-on application for continuous antioxidant action
• Nioxydine(24) technology targets free radicals on the scalp surface
• Designed to support the scalp’s natural nighttime renewal process

How soon will I notice thicker-looking hair?

Visible improvements in hair density are reported with regular use over weeks to months; clinical results are tied to a consistent nightly regimen. Many users observe changes in hair fullness and reduced breakage after continued application, as the scalp surface environment becomes less prone to oxidative stress.

• Designed for nightly use to build cumulative benefits
• Clinical testing supports density improvement with ongoing treatment
• Best results when combined with a hair-thinning care routine

How do I apply Night Density Rescue Serum correctly?

Apply the serum evenly to dry or towel-dried scalp before bed, focusing on thinning areas. Do not rinse out; allow the product to remain on the scalp overnight so active antioxidants can perform uninterrupted. Use as part of your evening hair-care ritual for optimal results.

• Dispense serum and part hair for targeted application
• Apply to scalp, gently massage to distribute—leave on overnight
• Use nightly for consistent antioxidant protection and density support

Will this product work with my existing hair routine?

The serum is designed to slot into most hair-care regimens as an overnight step and pairs well with Nioxin cleansers and treatments. Because it is a leave-on antioxidant treatment, it can be used alongside styling products—simply apply before sleep and continue your normal daytime routine.

• Compatible with shampoos, conditioners, and topical treatments
• Non-rinsing formula intended for nightly use only
• Dermatologically tested for scalp tolerance

Who is this for: Nioxin Night Density Rescue Serum is aimed at individuals noticing hair thinning or increased hair fall related to scalp surface oxidation who want a salon-developed, leave-on overnight treatment. It’s suitable for those seeking a supportive antioxidant approach to improve the look of hair density as part of a consistent hair-care plan, especially people already using or familiar with Nioxin thinning-hair solutions.

Ingredients

ALCOHOL DENAT., WATER/EAU, CAFFEINE, PANTHENOL, FRAGRANCE/ PARFUM, MENTHOL, LAURIC ACID, PEG-40 HYDROGENATED CASTOR OIL, TOCOPHERYL ACETATE, PEG-35 CASTOR OIL, POLYSORBATE 20, BIOTIN, ZINGIBER OFFICINALE (GINGER) ROOT EXTRACT, PASSIFLORA EDULIS FRUIT EXTRACT, CITRAL, LIMONENE, CITRONELLOL, GERANIOL, LINALOOL.