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 assistant
Ask your questions about hair loss, regrowth, treatments and scalp care.
Conditions Encyclopedia
Every major type of hair loss: signs, causes, diagnosis and options.
Norwood & Ludwig Stages
Visual guide to hair loss stages for men and women.
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.
Ingredient library
Explore what’s in the formula
What each ingredient is, what it’s used for and how much evidence supports it.
Browse all ingredients →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.
17 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.
17 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.
16 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.
16 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.
17 min read · Updated 2026-09-28
How 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.
17 min read · Updated 2026-09-28
Hidden 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.
17 min read · Updated 2026-09-28
When 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.
17 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.
20 min read · Updated 2026-09-28
Hair Transplants: Pros, Cons, Costs and What to Expect
FUE vs FUT, candidacy, recovery, results timeline, risks and why medical therapy still matters after surgery.
19 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.
18 min read · Updated 2026-09-28
Dutasteride for Hair Loss: Pros and Cons
A stronger DHT blocker used off-label in the US: how it compares with finasteride, evidence and safety.
15 min read · Updated 2026-09-28
Low-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.
16 min read · Updated 2026-09-28
Spironolactone for Female Hair Loss: Pros and Cons
An anti-androgen prescribed off-label for female pattern hair loss: evidence, side effects and considerations.
15 min read · Updated 2026-09-28
PRP for Hair Loss: Pros, Cons and Evidence
Platelet-rich plasma injections explained: procedure, sessions, costs and what studies say.
14 min read · Updated 2026-09-28
Microneedling 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.
15 min read · Updated 2026-09-28
Alopecia Areata Treatments: Steroids, JAK Inhibitors and More
Medical options for patchy autoimmune hair loss, including FDA-approved JAK inhibitors, with pros and cons.
15 min read · Updated 2026-09-28
Hair 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.
19 min read · Updated 2026-09-28
How 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.
18 min read · Updated 2026-09-28
Minoxidil 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 2026-09-28
Minoxidil 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.
18 min read · Updated 2026-09-28
Minoxidil 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.
18 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.
18 min read · Updated 2026-09-28
Missed 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.
18 min read · Updated 2026-09-28
The 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.
18 min read · Updated 2026-09-28Does Minoxidil Actually Work? An Honest Answer
What topical Minoxidil can and can't do, who tends to see results, and how to tell if it's working for you.
10 min read · Updated 2026-09-30Minoxidil Morning or Night? How to Time Your Applications
Twice a day, once a day, or before bed — when to apply topical Minoxidil so it fits your life and still works.
8 min read · Updated 2026-09-30How Long Should Minoxidil Stay On? Drying Time and Washing Your Hair
How long to let Minoxidil dry, when you can wash or style your hair, and how to fit it around showers, workouts and swimming.
8 min read · Updated 2026-09-30How to Track Your Minoxidil Progress With Photos
A simple monthly photo routine so you can actually see whether Minoxidil is working — without obsessing in the mirror.
7 min read · Updated 2026-09-30Is Oral Minoxidil Right for You? Questions to Ask Your Doctor
A plain-English checklist for deciding between topical and prescription oral Minoxidil, and what to ask at your appointment.
9 min read · Updated 2026-09-30How 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 2026-08-21TRIOXIDIL® guides
What Is TRIOXIDIL®? FOLIGAIN®'s Cosmetic Complex Explained
What TRIOXIDIL® is, where FOLIGAIN® uses it, what the percentages on the label mean, and how it differs from Minoxidil.
17 min read · Updated 2026-09-28
TRIOXIDIL® vs Minoxidil: Differences, Uses and Combining Them
A side-by-side look at a cosmetic complex and an OTC drug ingredient — regulation, claims, formats, and when people use one, the other or both.
17 min read · Updated 2026-09-28
How to Build a TRIOXIDIL® Routine for Men and Women
Step-by-step wash-day and leave-on routines using FOLIGAIN® TRIOXIDIL® products, with and without Minoxidil.
17 min read · Updated 2026-09-28
The TRIOXIDIL® Clinical Study: An Overview
Who ran it, who took part, what they used and for how long — the 2019 study behind the TRIOXIDIL® results, explained in plain English.
8 min read · Updated 2026-09-30
TRIOXIDIL® Clinical Results: The Headline Numbers
180% more visible volume, 76% less visible hair loss from breakage and 75% better visible hair count — what each number means.
7 min read · Updated 2026-09-30How the TRIOXIDIL® Study Measured Results
Expert assessment, the brush friction count, macro photography and self-evaluation — the four ways results were checked.
6 min read · Updated 2026-09-30
What the TRIOXIDIL® Study Concluded — and What It Means for You
The study's conclusions, what participants said at four months, and how to use the findings to set realistic expectations.
7 min read · Updated 2026-09-30Hair Growth guides
How Fast Does Hair Grow? Rates, Factors and Myths
Average growth per month, why it varies, what really speeds or slows it, and the myths that won't go away.
17 min read · Updated 2026-09-28Nutrition for Hair Growth: Iron, Protein, Vitamin D and Supplements
Which nutrient deficiencies are linked to hair loss, which tests are worth asking about, and what the evidence says about supplements.
17 min read · Updated 2026-09-28How to Grow Thicker Hair: What Works and What Doesn't
An honest ranking of approaches to fuller hair — from regulated treatments to styling tricks — and how to combine them.
17 min read · Updated 2026-09-28Scalp & Hair Health guides
Dry Scalp vs Dandruff: How to Tell the Difference and What Helps
Small white flakes or large oily ones? How to identify dry scalp, dandruff and seborrheic dermatitis, and which ingredients match each.
17 min read · Updated 2026-09-28
Oily Scalp: Causes, Washing Frequency and Routine
Why some scalps get greasy within a day, how often to wash, and how to balance oil control with a Minoxidil or cosmetic routine.
16 min read · Updated 2026-09-28
Itchy or Sensitive Scalp: Common Causes and Gentle Fixes
From product allergies to psoriasis: what makes a scalp itch, how to find the trigger, and when itching signals something more.
16 min read · Updated 2026-09-28
Scalp Psoriasis vs Seborrheic Dermatitis: A Practical Guide
Two common inflammatory scalp conditions that look alike — how they differ, how they are treated, and their effect on hair.
17 min read · Updated 2026-09-28
Hair Breakage vs Hair Loss: Causes, Signs and How to Stop It
Short broken pieces aren't the same as shed hairs. How to tell them apart and reduce damage from heat, color, tension and friction.
17 min read · Updated 2026-09-28
How to Choose a Shampoo for Thinning Hair
What shampoo can and can't do for thinning hair, the ingredients worth knowing, and how to read a label.
16 min read · Updated 2026-09-28
Building a Scalp Routine You Will Actually Keep
Cleansing frequency, build-up, flaking and irritation — how to keep the scalp comfortable while running a topical routine.
8 min read · Updated 2026-08-05Men's Hair guides
Receding Hairline: Signs, Causes and Options for Men
Mature hairline or male pattern baldness? How to tell, how the Norwood scale works, and what actually helps the temples.
12 min read · Updated 2026-09-28
Crown Thinning in Men: How to Spot It and What to Do
The bald spot you can't see: how to check your crown, why it responds well to Minoxidil, and how to track changes.
9 min read · Updated 2026-09-28
The Simple Men's Hair Loss Routine (Morning and Night)
A realistic daily plan for men using Minoxidil, thinning-hair shampoo and optional prescription treatment — without overcomplicating it.
8 min read · Updated 2026-09-28
Hair Loss in Your 20s: A Guide for Young Men
Early pattern loss is common. What's normal, when to act, and how to think about long-term options calmly.
17 min read · Updated 2026-09-28Women's Hair guides
Widening Part: Causes, Ludwig Scale and What Helps
A widening part is the classic sign of female pattern hair loss. How to measure it, what else it could be, and your options.
17 min read · Updated 2026-09-28
Postpartum Hair Loss: Why It Happens and When It Stops
Heavy shedding a few months after giving birth is common and usually temporary. What to expect month by month and what's safe.
9 min read · Updated 2026-09-28Menopause and Hair Loss: Thinning, Texture Changes and Options
How falling estrogen affects hair density and texture, why thinning often speeds up around menopause, and what can help.
10 min read · Updated 2026-09-28
PCOS and Hair Loss: Understanding Androgen-Related Thinning
Polycystic ovary syndrome can cause scalp thinning and excess body hair at the same time. How it's diagnosed and managed.
9 min read · Updated 2026-09-28Guides 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.