Resource center
Everything you need to understand hair loss and regrowth
Interactive tools, in-depth guides and reference material from the FOLIGAIN editorial team, organized so you can find answers fast.
Tools & references
Hair Profile Quiz
Six questions to understand your likely type of thinning and what to read next.
Hair Loss Glossary
An A–Z of hair and scalp terms, from anagen to vellus hair.
Ingredient Library
What each hair and scalp ingredient is meant to do, and the evidence behind it.
Comparisons
Factual side-by-side comparisons of formats and brands.
Search
Search every guide, ingredient, product, comparison and FAQ.
FAQ
Quick answers to the most common hair loss questions.
Hair Loss guides
The Complete Guide to the Types of Hair Loss
Pattern hair loss, telogen effluvium, alopecia areata, traction and scarring hair loss: how each one looks, why it happens and what usually helps.
14 min read · Updated 2026-09-28
Male Pattern Hair Loss: Causes, Stages and Options
Everything men need to know about androgenetic alopecia, from DHT and genetics to the Norwood scale, early signs and a realistic plan of action.
15 min read · Updated 2026-09-28
Female Pattern Hair Loss: A Complete Guide for Women
How thinning shows up differently in women, the role of hormones, menopause and nutrition, the Ludwig scale, and the options worth discussing.
15 min read · Updated 2026-09-28
Telogen Effluvium: Why Sudden Shedding Happens and How It Recovers
A calm, detailed guide to trigger-related shedding: the timeline, common causes, how it differs from pattern hair loss and what helps recovery.
12 min read · Updated 2026-09-28
The Hair Growth Cycle Explained: Anagen, Catagen, Telogen and Exogen
Understanding the four phases of hair growth is the key to understanding shedding, timelines and why every hair-growth routine takes months.
12 min read · Updated 2026-09-28How Much Hair Shedding Is Normal? A Practical Guide
Daily hair counts, wash-day shedding, seasonal changes and the signs that shedding deserves a closer look.
10 min read · Updated 2026-09-28Hidden Causes of Hair Loss: Thyroid, Iron, Medications and More
The medical and lifestyle factors that can cause or worsen thinning, and the questions worth asking your doctor.
13 min read · Updated 2026-09-28When to See a Dermatologist About Hair Loss (and What to Expect)
Red-flag symptoms, how to prepare for your appointment, the tests and tools dermatologists use and how to make the most of the visit.
10 min read · Updated 2026-09-28Every Hair Loss Treatment Compared: The Complete Overview
OTC Minoxidil, prescription medicines, procedures, devices and cosmetics side by side: evidence, pros, cons and who each suits.
16 min read · Updated 2026-09-28Hair Transplants: Pros, Cons, Costs and What to Expect
FUE vs FUT, candidacy, recovery, results timeline, risks and why medical therapy still matters after surgery.
15 min read · Updated 2026-09-28Finasteride for Hair Loss: Pros, Cons and Side Effects
How the prescription DHT blocker works, evidence, sexual and mood side effects, and who it is and isn't for.
14 min read · Updated 2026-09-28Dutasteride for Hair Loss: Pros and Cons
A stronger DHT blocker used off-label in the US: how it compares with finasteride, evidence and safety.
11 min read · Updated 2026-09-28Low-Dose Oral Minoxidil: Pros, Cons and How It Compares to Topical
Why clinicians increasingly prescribe low-dose oral Minoxidil, the benefits, the risks, and how it differs from topical.
12 min read · Updated 2026-09-28Spironolactone for Female Hair Loss: Pros and Cons
An anti-androgen prescribed off-label for female pattern hair loss: evidence, side effects and considerations.
10 min read · Updated 2026-09-28PRP for Hair Loss: Pros, Cons and Evidence
Platelet-rich plasma injections explained: procedure, sessions, costs and what studies say.
10 min read · Updated 2026-09-28Microneedling and Laser Therapy for Hair: Pros and Cons
Dermarollers, in-office microneedling and low-level light caps and combs: how they work and what to expect.
11 min read · Updated 2026-09-28Alopecia Areata Treatments: Steroids, JAK Inhibitors and More
Medical options for patchy autoimmune hair loss, including FDA-approved JAK inhibitors, with pros and cons.
11 min read · Updated 2026-09-28Hair Thinning in Women: Patterns, Causes and First Steps
Diffuse thinning, widening parts and postpartum shedding look different from male pattern loss, and are assessed differently.
10 min read · Updated 2026-09-10Minoxidil guides
Minoxidil 2% vs 5%: Which Strength Is Right for You?
What the two over-the-counter strengths are, who each is labeled for, how they compare in studies, and how to choose between them.
13 min read · Updated 2026-09-28How to Apply Minoxidil Correctly: A Step-by-Step Guide
Solution and foam technique, dry vs wet hair, drying time, styling, washing and the small habits that decide whether you get consistent results.
12 min read · Updated 2026-09-28Minoxidil Results Timeline: What to Expect Month by Month
A realistic month-by-month picture of the first year on topical Minoxidil, from early shedding to the point where you can judge results.
11 min read · Updated 2026-09-28Minoxidil Side Effects: What's Common, What's Rare and What to Do
Scalp irritation, shedding, facial hair, and the rare warning signs that mean you should stop — explained calmly and practically.
12 min read · Updated 2026-09-28Minoxidil for Women: A Complete Guide
How Minoxidil is used for female pattern thinning, 2% vs once-daily 5% foam, facial hair, pregnancy, and realistic expectations.
13 min read · Updated 2026-09-28Low-Alcohol Minoxidil and Sensitive Scalps
Why some people react to classic Minoxidil solutions and how foams, low-alcohol and propylene-glycol-free formulas compare.
10 min read · Updated 2026-09-28Missed Doses, Breaks and Stopping Minoxidil
What to do if you miss an application, what happens during breaks, and what to expect if you stop for good.
9 min read · Updated 2026-09-28The History of Minoxidil: From Blood-Pressure Pill to Hair Topical
How an oral blood-pressure medicine became the world's best-known over-the-counter hair-regrowth ingredient.
9 min read · Updated 2026-09-28How Minoxidil Works: A Plain-English Guide
What topical Minoxidil does to the hair cycle, why it takes months, and how to tell whether it is doing anything at all.
9 min read · Updated 2026-09-02The Minoxidil Shedding Phase, Explained
Why shedding can increase early in a routine, how long it typically lasts, and when it is worth speaking to a clinician.
6 min read · Updated 2026-08-21Guides guides
Minoxidil Foam vs Solution: Which Format Suits You
Alcohol content, drying time, residue and scalp comfort — the practical differences between the two most common formats.
7 min read · Updated 2026-07-30How to Read a Hair-Growth Product Label
Active percentages, vehicle ingredients, marketing claims and what a label can and cannot tell you.
6 min read · Updated 2026-06-18This content is for educational purposes only and is not medical advice. It is not intended to diagnose, treat, cure or prevent any disease. Speak with a qualified healthcare professional about your individual situation.