Mesotherapy for hair loss typically requires 10 to 15 sessions at $150 to $250 each, and tracking proves whether the investment is justified. With a full course costing $1,500 to $3,750 out of pocket, you need objective data showing whether mesotherapy is actually increasing your hair density or whether that money would be better spent on a treatment with stronger evidence. Session-by-session AI density tracking gives you that answer.
This article is for informational purposes only and does not constitute medical advice.
What Is Mesotherapy for Hair Loss?
Mesotherapy involves microinjections of a customized solution directly into the scalp at the level of the hair follicles. The injections are administered using very fine needles (30 to 32 gauge) at a shallow depth (1 to 4mm into the dermis). The procedure is performed in a clinic, typically takes 20 to 30 minutes, and is repeated at regular intervals.
What Gets Injected
Mesotherapy solutions vary by practitioner but commonly include:
| Component Category | Examples |
|---|---|
| Vitamins | Biotin, B-complex vitamins, vitamin C |
| Minerals | Zinc, iron, magnesium |
| Amino acids | Cysteine, methionine, lysine |
| Vasodilators | Minoxidil (in some formulations) |
| Growth factors | Varies by provider |
| Medications | Finasteride (in some formulations), dutasteride (in some) |
The specific cocktail varies between providers, which is one reason why tracking your individual response is so important. There is no single standardized mesotherapy protocol for hair loss.
Session Protocol
A typical initial course follows this pattern:
| Phase | Frequency | Duration |
|---|---|---|
| Intensive phase | Every 1-2 weeks | 10-15 sessions (10-30 weeks) |
| Maintenance phase | Every 4-8 weeks | Ongoing as needed |
Setting Up Session-by-Session Tracking
Step 1: Baseline Before Session 1
Before your first mesotherapy session, create your baseline documentation:
- Five-angle scalp photos (overhead, front, back, left, right) under consistent lighting
- AI density measurements from myhairline.ai/analyze for all scalp zones
- Close-up photos of your primary area of concern
- Current hair loss classification (Norwood for men, Ludwig for women)
- All current treatments (minoxidil, finasteride, supplements, etc.)
Step 2: Track After Every 2 to 3 Sessions
Rather than tracking after every single session (changes happen too slowly for that), capture data after every 2 to 3 sessions:
| Tracking Point | When | Purpose |
|---|---|---|
| Baseline | Before session 1 | Reference point |
| Check 1 | After sessions 2-3 | Confirm protocol consistency |
| Check 2 | After sessions 4-6 | Look for early response |
| Check 3 | After sessions 7-9 | Mid-course assessment |
| Check 4 | After sessions 10-12 | Response determination |
| Check 5 | After sessions 13-15 | End-of-course assessment |
Step 3: Record Session Details
Maintain a log for each session:
- Session number and date
- Solution components (ask your provider what was injected)
- Areas treated (full scalp, frontal only, crown only, etc.)
- Immediate post-session notes (pain level, redness, swelling)
- Any adverse reactions in the days following
Step 4: Capture Density Data at Each Tracking Point
At each tracking point, upload your standardized photos to myhairline.ai/analyze for objective density measurements. Record density by zone and compare to your baseline. A trend table helps you see the trajectory:
| Zone | Baseline | After 3 Sessions | After 6 Sessions | After 10 Sessions | After 15 Sessions |
|---|---|---|---|---|---|
| Frontal | (your data) | ||||
| Crown | (your data) | ||||
| Temporal L | (your data) | ||||
| Temporal R | (your data) | ||||
| Occipital | (your data) |
What to Expect and When
Sessions 1 to 4: Minimal Visible Change
During the first 4 sessions, you are unlikely to see measurable density changes. The injected nutrients and medications need time to affect follicle behavior. Some patients report reduced shedding during this early phase, which is worth noting in your log even though it may not yet show up in density measurements.
Sessions 4 to 6: Potential Early Signals
This is where early responders may begin showing measurable changes in AI density scans. Even a small, consistent increase across multiple zones is a positive signal. If your measurements remain flat, this does not necessarily mean the treatment has failed, since many patients require more sessions.
Sessions 10 to 15: Decision Point
By the end of a full initial course, your tracking data should tell a clear story. If density has increased, the treatment is working for you. If density is unchanged after 10 to 15 sessions, the evidence suggests that additional sessions are unlikely to produce a different result, and you should discuss alternatives with your provider.
Cost-Benefit Tracking
Mesotherapy represents a significant out-of-pocket investment. Track your cumulative cost alongside your density data:
| Metric | Your Data |
|---|---|
| Cost per session | $150-250 |
| Sessions completed | (your number) |
| Total spent | (cumulative) |
| Density change (%) | (from AI tracking) |
| Cost per 1% density gain | (total spent / density change %) |
This calculation gives you a concrete cost-per-result figure that you can compare directly with other treatments.
Mesotherapy vs. PRP: A Data-Driven Comparison
PRP (platelet-rich plasma) therapy is the most common alternative injectable treatment for hair loss. Here is how they compare:
| Factor | Mesotherapy | PRP |
|---|---|---|
| What is injected | Vitamins, minerals, medications | Your own concentrated platelets |
| Sessions for initial course | 10-15 | 3-4 |
| Cost per session | $150-250 | $500-2,000 |
| Total initial course cost | $1,500-3,750 | $1,500-8,000 |
| Published evidence level | Limited (small studies, variable protocols) | Moderate (multiple controlled studies) |
| Expected density increase | Variable (protocol-dependent) | 30-40% in responders |
| Time to measurable change | 4-6 sessions (2-3 months) | 2-3 sessions (3-6 months) |
For a detailed analysis of PRP costs and outcomes, see the PRP cost guide.
Both treatments use the same tracking methodology (standardized photos plus AI density analysis), so if you switch from one to the other, your baseline data from the first treatment carries over as historical context. For a broader view of treatment tracking approaches, see the hair loss treatment tracker.
When to Stop Mesotherapy
Your tracking data tells you when to stop. Consider discontinuing if AI density measurements show no improvement after a full course of 10 to 15 sessions, cost-per-result calculations reveal poor value compared to alternatives, or side effects (pain, persistent scalp irritation) outweigh the measured benefits.
Conversely, continue if density measurements show a clear upward trend and you are willing to invest in maintenance sessions (typically every 4 to 8 weeks) to sustain results.
Start Your First Tracking Session
If you have booked or are considering mesotherapy for hair loss, capture your baseline before session 1. Upload your scalp photos to myhairline.ai/analyze to get objective density measurements across all zones, then follow the tracking protocol above to build a session-by-session record that tells you exactly what your investment is producing.
This article is for informational purposes only and does not constitute medical advice. Mesotherapy for hair loss should be performed by a qualified medical professional. Always consult your dermatologist or hair loss specialist before starting any treatment.