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AGA Diagnosis

Efficient diagnosis of male pattern baldness (AGA) risk through 10 essential questions.

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Age

Please enter your current age

years

Hamilton-Norwood Classification

International standard for classifying male pattern baldness progression in 7 stages.

StageSymptoms & Features
✓
Normal
No signs of hair loss
1
Stage I
Slight hairline recession
2
Stage II
Mild M-shaped recession
3
Stage III
Moderate M-shaped recession, slight crown thinning
4
Stage IV
Frontal and crown hair loss progression
5
Stage V
Further progression of frontal and crown hair loss
6
Stage VI
Frontal and crown areas connect, only temporal and occipital areas remain
7
Stage VII
Most advanced stage, temporal and occipital areas also thinning

How to Use

  1. STEP 1
    Answer 10 essential questions in order. Starting with age and gender, we'll efficiently check hair loss condition, hair loss progression, and lifestyle habits.
  2. STEP 2
    Select the most applicable option for each step and proceed with the 'Next' button. You can also go back to previous steps.
  3. STEP 3
    Press the 'Diagnose' button at the final step to display comprehensive AGA risk assessment.
  4. STEP 4
    Use the diagnosis results (risk level, score, recommended action) as a reference for appropriate care or specialist consultation.
  5. STEP 5
    You can retake the diagnosis anytime with the 'Retake Diagnosis' button.
  • This diagnosis is a simple assessment and does not replace medical diagnosis.
  • Accurate diagnosis and treatment require examination by a dermatologist or AGA specialist.
  • This tool does not support female pattern hair loss (FAGA). Women should consult a specialist.
  • We cannot be held responsible for any damage caused by the use of this service.

Tips & FAQ

  • QUESTION 1

    What is AGA?

    Androgenetic Alopecia is a progressive hair loss condition caused by male hormone (DHT: Dihydrotestosterone) influence. About 30% of Japanese men and 50% of men worldwide are affected during their lifetime.

  • QUESTION 2

    What causes AGA?

    Main causes are genetics and male hormones. Testosterone is converted to DHT by 5α-reductase enzyme. DHT binds to hair follicle receptors, shortening hair growth cycles and causing hair loss progression.

  • QUESTION 3

    Can AGA be treated?

    Effective treatments are available: oral medications (finasteride, dutasteride), topical treatments (minoxidil), injection therapy (mesotherapy), and hair transplant surgery. Earlier treatment yields better results and can slow progression.

  • QUESTION 4

    How many hairs lost per day is normal?

    50-100 hairs lost daily is normal for healthy individuals. Over 150 hairs or many thin, short hairs require attention. If over 50 hairs fall during shampooing, consult a specialist.

  • QUESTION 5

    How much does family history influence AGA?

    AGA has about 80% heritability, with maternal genes having stronger influence. Risk increases 2-5 times if father, maternal grandfather, or siblings have hair loss, but doesn't guarantee development.

  • QUESTION 6

    At what age should I be concerned?

    AGA can develop anytime after puberty. Affects about 10% in 20s, 20% in 30s, 30% in 40s, and 40% in 50s. Early detection and treatment are most effective.

  • QUESTION 7

    Can lifestyle prevent or improve AGA?

    Direct prevention is limited, but balanced diet (protein, zinc, B vitamins), regular exercise, adequate sleep (7-8 hours), stress management, and not smoking help improve scalp environment.

  • QUESTION 8

    Is scalp massage effective?

    Scalp massage promotes blood circulation and may improve nutrient supply to hair follicles. Gentle massage with fingertips for 5-10 minutes daily can help improve scalp environment.

  • QUESTION 9

    How to choose the right shampoo?

    Choose based on scalp condition. Oily scalp needs stronger cleansing, dry scalp needs moisturizing ingredients. Amino acid-based shampoos are gentle and recommended for most people.

  • QUESTION 10

    What's the relationship between stress and hair loss?

    Chronic stress can cause poor circulation, hormonal imbalance, and reduced immune function, potentially worsening hair loss. Manage stress through exercise, meditation, and hobbies.

  • QUESTION 11

    Do women get AGA?

    Women experience FAGA (Female AGA) with different patterns than men. Usually involves overall thinning from the crown, rarely complete baldness. This diagnosis is for men; women should consult specialists.

  • QUESTION 12

    How fast does AGA progress?

    Varies greatly among individuals. Some progress rapidly within years, others slowly over 10-20 years. Generally, earlier onset tends to progress faster.

  • QUESTION 13

    What are the treatment costs?

    Oral medications: $30-150/month, topical treatments: $50-100/month, injection therapy: $500-1000/session, hair transplant: $10,000-30,000. Not covered by insurance, prices vary by clinic.

  • QUESTION 14

    How long until treatment effects appear?

    For oral/topical medications, effects typically appear in 3-6 months. Maximum effects expected after 1 year of continuous treatment. Stopping treatment returns to original state, so continuation is important.

  • QUESTION 15

    Are there side effects?

    Finasteride: sexual dysfunction (1-5%), Dutasteride: sexual dysfunction, breast enlargement (1-10%), Minoxidil: scalp itching, irritation (5-10%). Consult with doctors to choose appropriate treatment.

This information is general content. For individual symptoms and treatment, always consult dermatologists or AGA specialists.