Hair Regrowth Blog
Welcome to the HowRegrowHair blog – your trusted resource for science-backed hair growth information, treatment guides, and real success stories.
Latest Articles
Browse our latest research-driven articles below:
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TGF-Beta Signaling in Catagen Induction How Follicle Regression Starts
Understanding the Catagen Phase and Why It Matters The hair growth cycle consists of three phases: anagen (growth), catagen (regression), and telogen (rest). While most hair loss research focuses on… Read More →
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Best Keto Hair Growth Gummies: Do Low-Carb Supplements Work?
Why Keto Dieters Need Hair Growth Supplements The ketogenic diet has exploded in popularity for weight management and metabolic health, but a lesser-known side effect is keto-related hair loss. Up to 10% of people starting a strict keto diet experience telogen effluvium — a temporary but distressing increase in hair shedding that typically begins 2-3…
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Notch Signaling in Hair Follicle Stem Cell Fate and Hair Growth
What Is Notch Signaling and Why Does It Control Your Hair? The Notch signaling pathway is one of the most evolutionarily conserved communication systems in biology. Present in everything from… Read More →
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From Bald Patches to Baby Hairs: My 8-Month Recovery After Gastric …
I never expected that losing 120 pounds would also mean losing my hair. Three months after my gastric bypass surgery, I was standing in the shower watching clumps of hair circle the drain, and I felt utterly betrayed by my own body. Understanding From Bald Patches to Baby Hairs: My 8-Month Recovery After Gastric ……
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From Chemical Dependency to Natural Crown: Regrowing Hair After Goi…
I had been relaxing, coloring, and heat-styling my hair for over twenty years. The cumulative damage was staggering: my hair was thin, broken, and fragile, with visible thinning at my… Read More →
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Horsetail Extract for Hair Growth: Benefits & Best Products
What Is Horsetail Extract and Why Does It Matter for Hair? Horsetail (Equisetum arvense) is an ancient plant that has survived since the Paleozoic era, and its remarkable resilience may… Read More →
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Adipose Tissue in Hair Follicle Signaling The Fat-Hair Growth Axis
The Fat-Hair Connection: Why Adipose Tissue Matters When we think about hair follicle biology, we typically focus on the follicle itself — the dermal papilla, stem cells, and keratinocytes that produce the hair shaft. But the follicle does not operate in isolation. It is embedded in a complex tissue environment that includes a significant layer…
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Exosomes and Their Potential in Hair Regeneration The Next Frontier
What Are Exosomes and Why Is Everyone Talking About Them? Exosomes are nanosized vesicles (30-150 nanometers) secreted by virtually every cell type in the body. Once dismissed as cellular garbage bags, they are now recognized as sophisticated intercellular communication vehicles that carry proteins, lipids, messenger RNA, and microRNA between cells. In hair biology, exosomes derived…
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Activated Charcoal Scalp Cleansers: Best Products & Benefits 2025
How Activated Charcoal Works on the Scalp Activated charcoal is carbon that has been treated with oxygen to create millions of microscopic pores, giving it an enormous surface area — just one gram can have a surface area of 3,000+ square meters. This porous structure makes it one of nature’s most powerful adsorbents, capable of…
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PGD2 Prostaglandin D2 The Hair Growth Inhibitor Mechanism Explained
What Is Prostaglandin D2 and Why Does It Matter for Hair Loss? If you have been researching hair loss treatments, you have probably encountered prostaglandins — lipid compounds that act… Read More →
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From Grief Shedding to Gradual Growth: Recovering My Hair After Sev…
When my husband died suddenly, I lost more than my partner — I lost my hair. The stress of acute grief triggered the most severe telogen effluvium I could have imagined. Within three months of his death, I was losing 300-400 hairs daily. My already-fine hair became transparent, my scalp was visible everywhere, and I…
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PDGF in Hair Growth The Platelet-Derived Growth Factor Connection
PDGF: From Wound Healing to Hair Regeneration Platelet-derived growth factor (PDGF) was first identified as a mitogen released from platelets during blood clotting, where it stimulates the proliferation of fibroblasts and smooth muscle cells needed for wound repair. But PDGF has a second, equally important role: it is a critical signaling molecule in hair follicle…
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