About Regro EX5
This hair growth agent is effective for adult men (20 years of age and older) who are experiencing hair loss or thinning caused by male pattern baldness. It contains the active ingredient minoxidil at the highest concentration in Japan
* of 5%.
Hair takes time to grow, so use twice a day daily for at least four months to see results.
*Among minoxidil preparations approved in Japan (as of June 2024)
Efficacy and effectiveness
Hair growth, hair care, and prevention of hair loss (hair fall) in male pattern baldness.
Usage and dosage
Adult men (20 years of age or older) should apply 1 mL to the balding scalp twice daily.
Usage notes
<Things you should not do>
(If you do not follow these instructions, your current symptoms may worsen or you may be more likely to experience side effects.)
1. Do not use if you are:
(1) People who have experienced allergic symptoms due to this drug or its ingredients.
[Caution is required as the ingredients may cause allergic reactions.]
(2) Female.
[The efficacy and safety of this drug in women have not been confirmed.]
(3) Minors (under 20 years of age).
[The efficacy and safety of this drug in minors has not been confirmed.]
(4) People with hair loss other than male pattern baldness (for example, alopecia areata, hair loss due to thyroid disease, etc.), or people with hair loss of unknown cause.
[This drug is only effective for male pattern baldness.]
(5) People who have experienced sudden hair loss or patchy hair loss.
[There is a possibility that hair loss may be due to factors other than male pattern baldness.]
2. Do not use on the following areas:
Scalp with wounds, eczema or inflammation (redness).
[It may worsen scratches, etc.]
3. This medicine should only be used on the scalp and should not be taken orally.
[Unexpected side effects may occur. If you accidentally take this medicine, consult a doctor immediately.]
4. When using this product, avoid using other hair growth products or topical agents (ointments, liquids, etc.) on the scalp. If you use these, discontinue use of this product.
[These medications may affect the absorption of this drug.]
<Things to consult about>
1. The following people should consult a doctor or pharmacist before use.
(1) People who have previously experienced allergic symptoms (such as rash, redness, itching, or eczema) due to medicines, cosmetics, etc.
(2) People with high blood pressure and low blood pressure.
[There is a risk of affecting the relevant disease.]
(3) People with heart or kidney problems.
[There is a risk of affecting the relevant disease.]
(4) People with edema.
[It may worsen symptoms.]
(5) People who have no family members or siblings with male pattern baldness.
[Genetic factors are thought to play a major role in the development of male pattern baldness.]
(6) Elderly people (65 years of age or older).
[In general, elderly people are more likely to experience undesirable symptoms.]
(7) People who have been diagnosed with the following:
Thyroid dysfunction (hypothyroidism, hyperthyroidism).
[Hair loss may be caused by thyroid disease.]
2. If the following symptoms occur after use, these may be side effects, so discontinue use immediately and consult a doctor or pharmacist with this leaflet.
Related area: Symptoms
Skin: Scalp rash/redness*, itchiness, rash, dandruff, heat sensation in the area of application, etc.
Neuropsychiatric system: headache, faintness, dizziness
Circulatory system: chest pain, rapid heartbeat
Metabolic system: sudden weight gain for unknown reasons, swelling of the hands and feet
It may also appear on areas other than the scalp.
[These symptoms may occur in some people when using this drug. In particular, 5% minoxidil preparations may be more likely to cause side effects on the skin than 1% minoxidil preparations. If these symptoms occur, discontinue use and consult a doctor or pharmacist for further instructions.]
3. If no improvement is seen in any of the following after 6 months of use, discontinue use and consult a doctor or pharmacist with this leaflet.
The degree of hair loss, the occurrence of new hair/soft hair, the occurrence of hard hair, and the degree of hair loss. (A reduction in not only thick hair but also thin, short hair loss is an indication of improvement.)
[It is possible that the hair loss is due to a condition other than male pattern baldness or other causes.]
4. If your hair loss worsens or you experience any of the following types of hair loss, even within 6 months of starting use, discontinue use and consult a doctor or pharmacist with this leaflet.
Hair loss other than on the scalp, patchy hair loss, sudden hair loss, etc.
[It is possible that the hair loss is due to a condition other than male pattern baldness or other causes.]
<Other precautions for use>
1. Hair takes time to grow, so use daily for at least 4 months to see results.
2. The degree to which hair grows varies from person to person, and this product may not be effective for everyone.
3. To maintain the effect, continued use is necessary, and if you stop using it, the effect will gradually return to normal.
[This drug does not eliminate the cause of male pattern baldness.]
Active ingredient (per 100mL)
●Minoxidil 5.0g
*Contains ethanol, propylene glycol, 1,3 butylene glycol, and tartaric acid as additives.