DS Laboratories Hair Density Serum Spectral Extra Strength, 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 fuller, thicker, and more resilient while preserving natural pigment with Melanex technology.

Formulated for daily, cosmetic improvement of hair appearance, this 60 mL serum (formerly Spectral.DNC-S) combines advanced delivery systems and targeted actives to improve density and vibrancy without weighing hair down. It’s a non-greasy formula that absorbs quickly into the scalp and is intended for both men and women seeking a visibly fuller look and color retention support.

How will this serum help my hair look fuller on a daily basis?

The formula focuses on appearance—working at the scalp to enhance the look of thickness and resilience. Regular, consistent application helps strands sit with more body and a denser appearance without heavy residue.

• Nanoxidil-based actives blend to support fuller-looking density.
• Fast-absorbing, leave-in texture avoids weighing hair down.
• Copper peptides and biotin support the look of stronger strands.
• Applied directly to the scalp for targeted cosmetic effect.

Can it help maintain my natural hair color?

Melanex technology in the serum is formulated to help preserve hair pigment and promote a more uniform tone across the hair. While not a dye or color treatment, it aims to reduce the appearance of color irregularity and support a vibrant look.

• Melanex complex targets visible pigment preservation.
• Helps hair appear more uniform in color and vibrancy.
• Suitable for color-treated or natural hair seeking even tone.

What ingredients make this product lightweight yet effective?

The serum balances potent actives with a nanosystem that delivers ingredients gradually to the scalp, giving a lightweight feel while maintaining performance. Botanical extracts and caffeine complement the core technologies for a pleasant application experience.

• Nanoxidil as the primary appearance-focused active.
• Nanosome delivery system for targeted, gradual release.
• Caffeine, copper peptides, biotin, and botanical extracts for supportive benefits.
• Non-greasy base that dries quickly after application.

How do I use the serum for best results?

Apply the leave-in serum directly to a clean, dry or towel-dried scalp and massage gently to distribute. Use consistently as part of your daily routine for visible improvements in overall density and color vibrancy over time.

• Dispense the recommended amount onto the scalp and massage in.
• Do not rinse—leave in to absorb fully.
• Use daily for consistent cosmetic improvement.
• Works for all hair types and both men and women.

Who is this for: DS Laboratories Spectral Extra Strength is aimed at anyone seeking a non-greasy, topical solution to improve the visible density and vibrancy of their hair—ideal for those who want a lightweight, daily leave-in that supports fuller-looking hair and helps preserve natural pigment. It suits a wide range of hair types and styling routines and may be used alongside other hair-care products; consult product directions or a professional if you have specific scalp concerns.

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