DS Laboratories Hair Density Serum 60 mL — Lightweight Leave-In for Fuller, Thicker Hair

DS Laboratories Spectral Extra Strength is a lightweight, leave-in scalp serum designed to make hair appear thicker and fuller while preserving natural pigment with Melanex technology.

This 60 mL formula (previously known as Spectral.DNC-S) combines Nanoxidil-based technology with copper peptides, caffeine, biotin and botanical extracts delivered via DS Labs' Nanosome system. It absorbs quickly, won’t weigh hair down, and is formulated for both men and women who want cosmetic improvement in hair density and tone without altering their styling routine.

How does this serum improve the look of thinning hair?

The product is designed to enhance visible hair density by improving the appearance of individual strands and the overall scalp coverage. Regular application creates a fuller-looking finish without adding heavy residue or greasiness.

• Nanoxidil-based formulation targets hair follicles for thicker-looking strands
• Nanosome delivery encourages gradual ingredient release to the scalp
• Lightweight, non-greasy texture allows everyday styling after application

Will it affect my hair color or pigment?

Spectral Extra Strength includes Melanex technology intended to preserve natural hair pigment and maintain even color appearance. This helps hair look more vibrant and consistent over time when used as directed.

• Melanex complex supports pigment preservation for uniform tone
• Formulated for use on natural and color-treated hair
• Color-preserving ingredients work alongside density-enhancing actives

How should I use the serum in my daily routine?

Apply the leave-in serum directly to a clean, dry or towel-dried scalp and massage gently until absorbed. It dries quickly and can be used before styling products, making it simple to add to morning or evening routines.

• Use as directed on the scalp—no rinsing required
• Dries fast so styling and products can follow immediately
• Compatible with most haircare regimens and products

What key ingredients are included and what do they do?

The formulation blends targeted actives and supportive compounds to enhance appearance and scalp condition. DS Laboratories pairs Nanoxidil with supportive peptides, vitamins and botanical extracts for a multifaceted cosmetic approach.

• Nanoxidil—primary density-targeted ingredient
• Copper peptides, caffeine and biotin—support visible strand strength and scalp vitality
• Botanical extracts and Nanosome delivery—aid ingredient penetration and controlled release

Who is this for? This leave-in serum suits men and women seeking a cosmetic solution for finer-looking hair or reduced scalp coverage. It’s aimed at users who want an easy-to-use, fast-absorbing product that supports fuller-looking hair and helps maintain natural color tone without changing daily styling habits. Packaging may vary, and the formula is dermatologist tested for cosmetic use.

Ingredients

WATER (AQUA), POLYSORBATE 20, SD ALCOHOL 40B, POTASSIUM AZELOYL DIGLYCINATE, SERENOA SERRULATA FRUIT EXTRACT, GLYCERIN, BUTYLENE GLYCOL, ALTEROMONAS FERMENT EXTRACT, PALMITOYL TETRAPEPTIDE-20 AMIDE, EPILOBIUM ANGUSTIFOLIUM FLOWER/LEAF/STEM EXTRACT, PYRROLIDINYL DIAMINOPYRIMIDINE OXIDE, PHENOXYETHANOL, ETHYLHEXYLGLYCERIN, HYDROLYZED LINSEED EXTRACT, DEXTRAN, ACETYL TETRAPEPTIDE-3, TRIFOLIUM PRATENSE (CLOVER) FLOWER EXTRACT, ACETYL TYROSINE, CITRIC ACID, SODIUM METABISULFITE, GLYCINE, LARIX EUROPAEA WOOD EXTRACT, ZINC CHLORIDE, CAMELLIA SINENSIS LEAF EXTRACT, SODIUM PHYTATE, FRAGRANCE (PARFUM), TOCOPHERYL ACETATE, PHOSPHOLIPIDS, GLYCINE SOJA (SOYBEAN) OIL, ARGININE, DIMETHICONE COPOLYOL, CALCIUM PANTOTHENATE, ZINC GLUCONATE, ARCTIUM MAJUS EXTRACT, BIOTIN, PANAX GINSENG EXTRACT, ORNITHINE HCL, NIACINAMIDE, CHLORPHENESIN, HYDROLYZED SOY PROTEIN, POLYQUATERNIUM-11, CITRULLINE, METHYLPARABEN, GLUCOSAMINE HCL, DISODIUM SUCCINATE, ETHYLPARABEN, PANICUM MILACEUM (MILLET) SEED OIL, TRITICUM AESTIVUM (WHEAT) GRAIN EXTRACT, HELIANTHUS ANNUUS (SUNFLOWER) SEED OIL, ROSMARINUS OFFICINALIS (ROSEMARY) LEAF EXTRACT