The Science
Every ingredient earns its spot.
No proprietary blends. Every ingredient in BOLUMBI is backed by published research you can look up yourself. Here's what the studies say.
GHK-Cu (Copper Peptide)
Reactivates dormant follicle stem cells and promotes new growth signaling.
Chemical agents and peptides affect hair growth
Journal of Investigative Dermatology, 1993; 101(1 Suppl):143S to 147S. PMID: 8326148
Key finding: Topical GHK-Cu applied to the balding scalp of stumptail macaques converted miniaturized vellus follicles back to terminal follicles and increased follicle size. The stumptail macaque is the closest pre-clinical model for human androgen driven thinning, which is the same pathway that drives menopausal hair loss.
Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data
International Journal of Molecular Sciences, 2018; 19(7):1987. PMID: 29986520
Key finding: Comprehensive review establishing that GHK-Cu enlarges hair follicle size, stimulates angiogenesis around the follicle, and increases expression of epidermal stem cell markers. That last point matters: it means GHK-Cu is acting on the cells that decide whether a follicle stays dormant or restarts growth.
Caffeine
Stimulates follicle proliferation and counteracts testosterone-driven suppression of hair growth.
Caffeine and Testosterone: Caffeine Inhibits the Growth-Suppressive Effect of Testosterone on Human Hair Follicles
International Journal of Dermatology, 2007. PMID: 17214716
Key finding: Caffeine at concentrations of 0.001%-0.005% significantly stimulated human hair follicle growth in vitro and counteracted the suppressive effect of testosterone on hair matrix keratinocyte proliferation.
Role of Caffeine in the Management of Androgenetic Alopecia
International Journal of Dermatology, 2013. PMCID: PMC3500065
Key finding: Review confirming caffeine stimulates human hair growth in vitro by counteracting testosterone-driven suppression of hair matrix keratinocyte proliferation, with potential clinical relevance for androgenetic alopecia management.
Biotin (Vitamin B7)
Essential cofactor in keratin production. Keratin is the structural protein of hair.
A Review of the Use of Biotin for Hair Loss
Skin Appendage Disorders, 2017. PMID: 28879195
Key finding: Biotin supplementation showed clinical improvement in hair growth in all published cases where patients had a documented biotin deficiency. As a topical application, biotin peptides deliver the cofactor directly to the follicle where keratin synthesis occurs.
Panthenol (Pro-Vitamin B5)
Moisturizes and strengthens hair strands, improving elasticity and reducing breakage.
A Novel Cosmetic Approach to Treat Thinning Hair
British Journal of Dermatology, 2011; 165(Suppl 3):24-30. PMID: 22171682
Key finding: A leave-on formulation containing panthenol significantly increased the diameter of individual terminal scalp hair fibers by 2-5 micrometers, yielding approximately 10% increase in cross-sectional area.
Dexpanthenol Promotes Cell Growth by Preventing Cell Senescence and Apoptosis in Cultured Human Hair Follicle Cells
Current Issues in Molecular Biology, 2021; 43(3):1361-1373. PMID: 34698060
Key finding: D-panthenol enhanced cell viability and increased Ki67 proliferation marker in cultured human dermal papilla cells, while significantly reducing apoptosis and cell senescence markers (p21 by 60%, p16 by 50%). It also elongated the anagen (growth) phase in hair follicles.
Apigenin
Flavonoid with DHT-blocking and anti-inflammatory properties at the follicle level.
A Cell-Based System for Screening Hair Growth-Promoting Agents
Archives of Dermatological Research, 2009; 301(5):381-387. PMID: 19277688
Key finding: Apigenin significantly decreased TGF-beta1 expression in human keratinocytes, increased proliferation of both human dermal papilla cells and keratinocytes, and stimulated elongation of hair follicles in a rat vibrissa follicle organ culture model.
Oleanolic Acid
Natural triterpene that inhibits 5-alpha reductase to reduce DHT-driven hair loss.
Effects of Oleanolic Acid on Hair Growth in Mouse Dorsal Skin Mediated via Regulation of Inflammatory Cytokines
Journal of Applied Biomedicine, 2023; 21(1):48-57. PMID: 37016778
Key finding: In mice with testosterone-induced alopecia, oleanolic acid significantly enhanced hair growth, increased VEGF levels, and lowered levels of TNF-alpha, TGF-beta1, DHT, and 5-alpha reductase. It inhibited the 5-alpha reductase enzyme by 68% in vitro and inactivated 54% of testosterone-to-DHT conversion in vivo.
Niacinamide (Vitamin B3)
Improves scalp circulation, reduces inflammation, and supports a healthy growth environment.
A Pilot Study Evaluating the Efficacy of Topically Applied Niacin Derivatives for Treatment of Female Pattern Alopecia
Journal of Cosmetic Dermatology, 2005; 4(4):258-261. PMID: 17168873
Key finding: In a double-blinded, placebo-controlled study of 60 female subjects with Ludwig types I-III female pattern hair loss, topical niacin derivatives demonstrated a statistically significant increase in hair fullness (P = 0.04 vs. placebo) over 6 months.
Niacinamide Down-Regulates the Expression of DKK-1 and Protects Cells from Oxidative Stress in Cultured Human Dermal Papilla Cells
Clinical, Cosmetic and Investigational Dermatology, 2021; 14:1519-1528. PMID: 34703266
Key finding: Niacinamide decreased protein expression of DKK-1 (a catagen inducer that promotes hair follicle regression) and reduced cell senescence markers in cultured human dermal papilla cells, while protecting against oxidative stress.
Hyaluronic Acid
Deep scalp hydration that creates optimal conditions for follicle health and growth.
In Vitro Hair Growth Promoting Effect of a Noncrosslinked Hyaluronic Acid in Human Dermal Papilla Cells
BioMed Research International, 2021; 2021:5598110. PMID: 34754881
Key finding: Noncrosslinked hyaluronic acid restored cell viability in human follicle dermal papilla cells and increased VEGF (vascular endothelial growth factor) secretion, supporting improved microcirculation around hair follicles. That circulation is what delivers nutrients to growing strands.
Capixyl (Biochanin A + Acetyl Tetrapeptide-3)
Anchors new hair growth and reduces follicle miniaturization from DHT.
An Herbal Extract Combination (Biochanin A, Acetyl Tetrapeptide-3) versus 3% Minoxidil Solution for Androgenetic Alopecia: A 24-week, Prospective, Randomized, Triple-blind, Controlled Trial
Journal of Clinical and Aesthetic Dermatology, 2020; 13(10):32-37. PMCID: PMC7840088
Key finding: In a 24-week triple-blinded RCT with 32 subjects, the Biochanin A and Acetyl Tetrapeptide-3 combination demonstrated comparable efficacy to 3% minoxidil in hair density and hair diameter, with no adverse local reactions.
Anagain (Organic Pea Sprout Extract)
Extends the active growth (anagen) phase of the hair cycle via FGF7 and Noggin signaling.
Clinical Evaluation of Pea Sprout Extract in the Treatment of Hair Loss
Phytotherapy Research, 2020; 34(2):428-431. PMID: 31680356
Key finding: Topical application of 2% pea sprout extract enhanced expression of FGF7 and Noggin by 56% and 85% respectively. In a pilot study of 21 volunteers, daily use significantly reduced hair loss after just 28 days of treatment (p < 0.002).
How we picked what goes in
Every ingredient is assigned to a specific pathway in the hair growth cycle. No filler. No "might as well throw it in."
Real studies
Peer-reviewed journals. Clinical trials. Not a manufacturer saying "trust us."
5 causes, not 1
Hormonal thinning hits from multiple directions. So does this serum.
Nothing to hide
Full INCI list on every bottle. Every study cited here is on PubMed. Look it up.
These studies were done on individual ingredients, not the BOLUMBI formula as a whole. Results vary. These statements haven't been evaluated by the FDA. This product isn't intended to diagnose, treat, cure, or prevent any disease.