As the global demand for hair growth solutions continues to rise in 2025, B2B buyers — from private label brands to distributors — are looking for high-performance ingredients backed by science, safety, and consumer trust. Whether you’re planning to launch your own private label hair growth serum or expand an existing line, choosing the right hair growth serum ingredients is key to product success.
Here are the top 5 ingredients B2B hair care buyers are actively seeking in 2025:
1. Biotin (Vitamin B7)
Keyword Focus: Biotin for hair growth, best vitamin for hair serum
Biotin remains a hero ingredient in the hair care world. It supports keratin production, strengthens hair follicles, and reduces breakage.
✅ Why B2B buyers love it:
- Widely recognized and trusted by consumers
- Cost-effective and compatible with most serum bases
- Great for marketing: “Biotin-infused” instantly signals growth support
2. Caffeine Extract
Keyword Focus: caffeine hair serum, stimulate hair follicles naturally
Caffeine isn’t just for your morning coffee — it also stimulates blood flow to the scalp and energizes dormant hair follicles.
✅ Why B2B buyers choose caffeine:
- Backed by clinical studies for hair stimulation
- Works well in both men’s and women’s products
- Ideal for energizing “anti-hair loss” product positioning
3. Redensyl® (Dihydroquercetin-Glucoside + EGCG-Glucoside)
Keyword Focus: Redensyl hair growth, advanced hair growth formula 2025
Redensyl is considered a powerful non-drug alternative to minoxidil. It targets hair follicle stem cells and promotes visible density within 3 months.
✅ Why it stands out in 2025:
- Clinically proven to boost hair density
- No harsh side effects
- Perfect for premium, high-ticket hair serums
4. Saw Palmetto Extract
Keyword Focus: saw palmetto anti-hair loss, natural DHT blocker
This botanical extract is a natural DHT blocker, commonly used to prevent androgenic alopecia (especially in men).
✅ B2B buyers include it because:
- Popular in both supplements and topical treatments
- Marketable as a “natural solution” to hair thinning
- Appeals to male-focused or unisex product lines
5. Panthenol (Provitamin B5)
Keyword Focus: panthenol scalp serum, hydrating hair growth formula
Panthenol provides intense hydration, soothes the scalp, and supports a healthier environment for hair to grow.
✅ Key benefits for B2B product development:
- Enhances serum texture and absorption
- Adds shine and strength to hair shafts
- Appeals to sensitive scalp consumers
If you’re a brand, salon chain, or distributor planning to introduce a premium hair growth product line, HODM Cosmetics is your trusted private label partner.
We specialize in the formulation and manufacturing of high-performance hair growth serums, scalp tonics, and leave-in treatments—powered by the most in-demand active ingredients in the market, including Biotin, Redensyl®, Caffeine, Saw Palmetto, and more. Below is an introduction to four of our top-performing hair growth products.
Hair Growth Biotin Shampoo
This hair growth biotin shampoo, enriched with rosemary, peppermint, tea tree, and ginger oils, plus vitamins E and H, promotes growth and volume. Its silicone-free formula cleanses the scalp, removes impurities, and strengthens hair for optimal health.
- Size: 8.45 fl oz / 250 ml | 16.91 fl oz / 500 ml | 33.81 fl oz / 1000 ml
- Key Ingredients: MELALEUCA ALTERNIFOLIA (TEA TREE) LEAF OIL、MENTHA PIPERITA (PEPPERMINT) OIL、ROSMARINUS OFFICINALIS (ROSEMARY) LEAF OIL
- Key Benefits: Promotes Hair Growth, Enhances Volume, Enriched with Essential Oils, Contains Vitamins E and H, Silicone-Free Formula
Hair Growth Biotin Conditioner
This biotin conditioner combines rosemary, peppermint, tea tree, and ginger oils with vitamins E and H to stimulate growth, nourish roots, and thicken hair, while its lightweight formula conditions, fortifies, and revitalizes for a healthier appearance.
- Size: 8.45 fl oz / 250 ml | 16.91 fl oz / 500 ml | 33.81 fl oz / 1000 ml
- Key Ingredients: MELALEUCA ALTERNIFOLIA (TEA TREE) LEAF OIL、MENTHA PIPERITA (PEPPERMINT) OIL、ROSMARINUS OFFICINALIS (ROSEMARY) LEAF OIL
- Key Benefits: Stimulates Hair Growth, Nourishes Roots, Thickens Hair, Fortifies and Revitalizes, Lightweight Formula.
Hair Growth Oil
This hair growth oil supports growth and enhances scalp health with 18 natural plant oils for deep nourishment. Enriching hair roots with essential nutrients reduces breakage and hair loss, and regular use restores strength and shine for healthier, thicker locks.
- Size: 2.03 fl oz / 60 ml | 3.4 fl oz / 100 ml
- Key Ingredients: ELIANTHUS ANNUUS (SUNFLOWER) SEED OIL、RICINUS COMMUNIS (CASTOR) SEED OIL、ARGANIA SPINOSA KERNEL (ARGAN) OIL、CANOLA OIL、SERENOA SERRULATA FRUIT EXTRACT、PRUNUS ARMENIACA (APRICOT) KERNEL OIL、ZINGIBER OFFICINALE (GINGER) ROOT OIL、PARFUM、SESAMUM INDICUM (SESAME) SEED OIL、PERSEA GRATISSIMA (AVOCADO) OIL、OLEA EUROPAEA (OLIVE) FRUIT OIL、PELARGONIUM GRAVEOLENS OIL、MENTHA PIPERITA (PEPPERMINT) OIL、THYMUS VULGARIS FLOWER/LEAF OIL、ROSMARINUS OFFICINALIS (ROSEMARY) LEAF OIL、CEDRUS DEODARA WOOD OIL、COCOS NUCIFERA (COCONUT) OIL
- Key Benefits: Supports Hair Growth, Enhances Scalp Health, Reduces Breakage and Hair Loss, Restores Strength and Shine, Contains 18 Natural Plant Oils
Hair Growth Serum
This hair growth serum, with essential oils, plant extracts, and biotin, refreshes the scalp and reduces hair loss from breakage. Featuring 22 oils and extracts, it promotes denser-looking hair, ideal for normal to thin hair.
- Size: 2.03 fl oz / 60 ml | 3.4 fl oz / 100 ml
- Key Ingredients: ROSMARINUS OFFICINALIS (ROSEMARY) LEAF OIL、MELALEUCA ALTERNIFOLIA (TEA TREE) LEAF OIL、MENTHA PIPERITA (PEPPERMINT) OIL、ARGANIA SPINOSA KERNEL (ARGAN) OIL、LAVANDULA ANGUSTIFOLIA (LAVENDER) OIL、CEDRUS DEODARA WOOD OIL、CANANGA ODORATA FLOWER OIL、RICINUS COMMUNIS (CASTOR) SEED OIL、SESAMUM INDICUM (SESAME) SEED OIL、DAUCUS CAROTA SATIVA (CARROT) SEED OIL、OCIMUM BASILICUM (BASIL) OIL
- Key Benefits: Reduces Hair Loss from Breakage, Refreshes the Scalp, Promotes Denser-Looking Hair, Contains 22 Oils and Extracts, Ideal for Normal to Thin Hair
🎯 Final Thoughts: Formulate for Function & Marketability
The most successful B2B hair growth products in 2025 strike a balance between scientific efficacy and commercial appeal. Whether you’re targeting women with postpartum hair loss or men with receding hairlines, these top 5 ingredients offer the performance and positioning needed to stand out.
Looking to develop a custom private label hair growth serum with these in-demand ingredients?
👉 Contact us today for formulation advice, packaging solutions, and low MOQ manufacturing.
