
What are some medications for hair loss and thinning hair?
Let’s get to know the medications used to treat hair loss and thinning. The medications discussed here are not over-the-counter products, but prescription treatments that should be administered or supervised by a certified hair specialist—for optimal results and patient safety.

Hair Loss Medications Are Divided into Two Main Groups:
Group 1: Finasteride
Hormone Reduction / Hair Loss Control
Benefits:
- Inhibits hair shedding
- Helps increase hair thickness and diameter
Drawbacks:
- May slightly affect sexual drive or mood
(Read more: “Does Finasteride Really Affect Sexual Function?”)
Group 2: Minoxidil
Stimulates Hair Follicle Growth
Benefits:
- Reduces hair shedding
- Helps increase hair thickness and diameter
Drawbacks:
- May cause increased hair growth on the body, eyebrows, and eyelashes

Both medications are available in topical and oral forms.
Before starting either form—topical or oral—it’s essential to consult a certified hair specialist. Dosage planning is critical and must be tailored to each individual. The doctor will assess and prescribe the appropriate treatment plan based on the severity and nature of each case. Proper analysis ensures both effectiveness and safety for the patient.
Are There Long-Term Side Effects?
According to research, taking Finasteride continuously for 10 years shows:
- Minimal side effects
- Potential protective effects against prostate cancer
It can be taken long-term, but for best results and safety, patients should consult a hair specialist early to receive timely guidance and treatment.
At BLS Hair Center All hair concerns can be addressed with Dr. Bee—consultations are completely free.
Dr. Kulvipaphat Chattharapisanukul is a certified hair transplant and hair restoration specialist, one of only 15 physicians in Thailand recognized by the International Society of Hair Restoration Surgery (ISHRS, USA) with a Fellowship in Hair Restoration Surgery.