DS Laboratories Spectral Women's Hair Density Serum — 3-Pack (3×60 mL) Lightweight, Fast-Absorbing, Non-Greasy

DS Laboratories Spectral Women’s Hair Density Serum is a lightweight, fast-absorbing leave-in formula designed to help hair appear fuller and thicker with regular use.

This scalp-first serum (formerly Spectral.CSF) was formulated specifically for women who want an easy, daily step that layers under styling products without greasiness. It combines Nanoxidil with supportive ingredients — including caffeine, biotin, peptides, and antioxidants — to improve the look and feel of thinning hair while maintaining a lightweight finish. The 60 mL size and three-pack option make it convenient for repeat use and travel.

How quickly will I notice a difference in hair appearance?

Individual results vary, but many users report seeing improved visual density and better manageability after consistent application over several weeks. The formula works as a cosmetic leave-in to thicken hair appearance while supporting a healthier-looking scalp environment.

• Apply daily to a clean, dry or damp scalp for best results.
• Fast-absorbing texture avoids weighing hair down or leaving residue.
• Three 60 mL bottles provide extended supply for continued use.
• Designed for ongoing cosmetic improvement rather than immediate structural change.

What makes this serum suitable for women and different hair types?

DS Laboratories designed the serum with a scalp-first approach and a lightweight feel so it fits into diverse routines and works on fine, medium, and coarse hair textures. The non-greasy formula allows styling products to be used afterward without interference.

• Balanced, lightweight formulation avoids flattening fine hair.
• Dermatologist-tested ingredients tailored to common female hair concerns.
• Compatible with color-treated and heat-styled hair when used as directed.
• Simple application supports daily styling habits.

Which key ingredients are included and what do they contribute?

The serum combines Nanoxidil — a topical ingredient developed for enhancing hair appearance — with caffeine, biotin, peptides, and antioxidants that collectively support scalp health and give strands a fuller-looking appearance. Ingredients were chosen to be lightweight and fast absorbing to maintain comfort and styling flexibility.

• Nanoxidil: formulated to improve the look of density in thinning areas.
• Caffeine: invigorating scalp benefit and sensory freshness.
• Biotin and peptides: support the look and strength of hair fibers.
• Antioxidants: help protect scalp and hair surface from environmental stressors.

How should I use the serum for best results?

Use a small amount applied directly to the scalp once daily, parting hair to reach thinning areas if needed. Massage gently until the product is absorbed and continue with regular styling; the fast-absorbing formula minimizes disruption to your routine.

• Apply to clean, dry or towel-dried hair each morning or evening.
• Dispense a few drops and target the scalp where hair looks sparse.
• Gently massage to distribute and absorb; do not rinse out.
• Follow with usual styling products once serum is dry.

Who this is for: This serum is aimed at women seeking a non-greasy, easy-to-use leave-in step to improve the appearance of hair density and manageability. It suits those with fine to medium hair wanting a lightweight product that layers under styling, people who prefer science-driven, dermatologist-tested formulations, and anyone looking for a compact three-pack to maintain consistent use.

Ingredients

5% Nanoxidil, Niacinamide, Tricopper Peptides, Ginseng, Apple Stem Cell Extract