Hair Growth Journal

A cup of black coffee next to a small amber dropper bottle on a bathroom shelf
Does Caffeine Actually Help Hair Growth? Reading the Trials Carefully
The best-known caffeine-vs-minoxidil trial was funded by the shampoo's own maker. Here's what that study and the newer research actually show, read without the marketing. Read more...
A magnifying glass held over a clean hair parting to observe the scalp closely
The Scalp Microbiome: What It Actually Is, and What the Research Doesn't Yet Show
Your scalp has its own bacterial ecosystem, dominated by Cutibacterium and Staphylococcus. What a 2022 study found about hair loss and microbiome balance, and why that's an association, not a... Read more...
Close-up of a hair part with small white flakes visible near the roots
Itchy, Flaky Scalp: Does It Actually Affect Hair Growth?
Dry-flake scalp and seborrheic dermatitis look similar but need different fixes. What the yeast behind it actually does, the real hair-loss link, and which flaking a nourishing oil can and... Read more...
A titanium derma roller and a red-light scalp device placed side by side on a bathroom shelf
Red Light Therapy vs. the Derma Roller: How to Use Both, and In What Order
Do you use the massager or the roller first? Here's the honest sequencing guide, including the trial evidence that doesn't flatter combining them. Read more...
A hand turning a calendar back two months, next to a hairbrush holding loose hairs
Hair Falling Out After Stress: How to Find the Trigger and When It Stops
Stress shedding starts two to four months after the trigger, not during it. How to date yours, how to tell it apart from pattern hair loss, and when it stops... Read more...
Close-up of a scalp parting lit by soft red light, individual hairs visible
LED vs Laser for Hair Growth: Does Coherence Matter?
Laser devices cost three or four times more than LED ones and quote the same wavelengths. We go through the mechanism, the meta-analysis that does not flatter LED, and the... Read more...
Two blood collection tubes resting on a printed laboratory request form with a pen
What Blood Tests to Ask For When Your Hair Is Shedding
Ferritin, thyroid, B12 — which blood tests actually find something when hair is shedding, and why your hair supplement can distort the results. Read more...
Loose strands of hair spread on white paper to be counted, hairbrush behind
How Much Hair Loss Is Normal? What the Numbers Mean
Shedding 50 to 100 hairs a day is normal. What that number really tells you, why shedding and hair loss differ, and when to see a doctor. Read more...
An amber dropper bottle, an oil bottle and a scalp brush arranged on a bathroom shelf
How to Build a Scalp Care Routine for Thinning Hair
A scalp care routine that works is smaller than you think. The four jobs a routine has, what order to add things, and how long before you can judge it. Read more...
A titanium derma roller on a folded white cloth beside a small bottle of alcohol
Does Microneedling Help With Thinning Hair?
Microneedling for hair loss, explained: how derma rollers work, what the research actually shows, and how to use one safely alongside topicals. Read more...
Fresh rosemary sprigs with glistening drops of oil on marble
Rosemary Oil for Hair Growth: What the Trial Found
By Ciobanu Sebastian — Founder & Head of Product, Folliq · Published 23 July 2026 He is not a doctor, dermatologist or trichologist, and does not present himself as one... Read more...
A mother gently brushing her healthy hair in soft morning light
Postpartum Hair Loss: Why It Happens and How Long It Lasts
By Ciobanu Sebastian — Founder & Head of Product, Folliq · Published 23 July 2026 He is not a doctor, dermatologist or trichologist, and does not present himself as one... Read more...
Woman in her 50s gently running her fingers through healthy, silver-blonde hair
Hair Loss After Menopause: What Changes Long Term
Hair loss after menopause is a long game, not a mystery. What changes at this stage, which myths to drop, and what actually holds up over years. Read more...
A woman lifting her hair at a bathroom mirror to examine the parting at her crown
Perimenopause Hair Thinning: Temporary Shedding, or Something Longer-Term?
Perimenopause hair thinning can be temporary shedding or the start of a longer pattern. Here's what separates them, and why only a clinician can tell you which. Read more...
Two hands working a bristled scalp massager along a hair parting, seen from behind
How to Use a Scalp Massager for Hair Growth
By Ciobanu Sebastian — Founder & Head of Product, Folliq · Published 9 July 2026 He is not a doctor, dermatologist or trichologist, and does not present himself as one... Read more...
A woman holding a red-glowing scalp device against the top of her head at home
Does Red Light Therapy Work for Hair Loss?
By Ciobanu Sebastian — Founder & Head of Product, Folliq · Published 9 July 2026 He is not a doctor, dermatologist or trichologist, and does not present himself as one... Read more...
A red-light scalp device and an unlabelled dropper bottle placed side by side
Red Light Therapy vs Minoxidil: Which Is Right for You?
By Ciobanu Sebastian — Founder & Head of Product, Folliq · Published 9 July 2026 He is not a doctor, dermatologist or trichologist, and does not present himself as one... Read more...