How Long Does It Take for MSM to Work for Hair Growth? A Timeline Guide

WrittenbyDr. Edna Skopljak, M.D.
Last updated

MSM, short for methylsulfonylmethane, has become a popular supplement for supporting hair health and growth. But how long does it take to start seeing results from MSM for hair? While timeframes vary, consistency is key.

Table of content
1. How Long Does It Take for MSM to Work for Hair Growth?
2. Factors that Impact MSM for Hair Growth Timeline
3. Tips for Getting Faster Hair Growth Results from MSM
4. Be Patient and Manage Expectations

How Long Does It Take for MSM to Work for Hair Growth?

It can take 2-4 months of daily MSM supplementation to notice measurable improvements in hair growth. However, some initial changes may become visible within 4-6 weeks. Maximum benefits often occur after 5-6 months of consistent use.

First 4-6 Weeks

Early changes when taking MSM include reduced hair shedding, increased thickness, and improved shine and manageability.

2-3 Month Mark

Within 2-3 months, you may notice visibly decreased hair loss, darker and longer hair strands, and new regrowth around the hairline and temples.

3-6 Month Range

Between 3-6 months of daily MSM use, significant increases in fullness, density, and new regrowth across the scalp become more evident.

6+ Months

After 6 or more months of supplementation, major improvements in hair volume, thickness and growth can be achieved, especially when paired with other treatments.

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Factors that Impact MSM for Hair Growth Timeline

Several variables influence how quickly you may see hair benefits from taking MSM:

Cause of Hair Loss

MSM works faster for temporary shedding versus long-term genetic hair loss.

Quality of MSM Supplement

Higher grade MSM derived from trusted sources works better than low-quality forms.

Consistent Dosage

Taking MSM daily speeds results versus occasional use.

Scalp Health

MSM works best on a healthy, well-circulated scalp.

Use of Other Treatments

Pairing MSM with minoxidil, microneedling, etc. improves efficacy.

Tips for Getting Faster Hair Growth Results from MSM

You can help optimize and accelerate your results by:

Taking an Optimal Dosage

The recommended MSM dosage for hair growth is 1000-3000mg daily.

Choosing a Reputable Brand

Ensure your MSM supplement is high quality and lab-verified.

Using Consistently

Take MSM daily without long breaks for continuous benefits.

Improving Blood Circulation

Massage, exercise, and diet improvements increase blood flow to the scalp.

Applying Topically

Some apply MSM powder diluted in water directly to the scalp.

Be Patient and Manage Expectations

MSM can enhance hair growth, thickness, and quality when used consistently. However, results happen gradually so patience and realistic expectations are key. For optimal hair regrowth, use MSM as part of a comprehensive treatment plan.

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Dr. Edna Skopljak, M.D.

About the Writer

Edna Skopljak, MD — University of Ljubljana, Faculty of Medicine

Edna Skopljak, MD is a clinical doctor at the University Medical Center Ljubljana and a PhD candidate in Biomedicine at the University of Ljubljana. She combines clinical work with research and medical editing, bringing a clear, evidence-based lens to patient education. Previously, she held roles in the pharmaceutical sector (product management and chief medical officer) and served as a medical production editor for the journal Biomolecules and Biomedicine.

Dr. Skopljak’s publications span clinical topics, including urology and orthopedics. She has co-authored work affiliated with the Department of Orthopedic Surgery at University Medical Centre Ljubljana. She trained in medicine with early clinical experience in Slovenia, reflecting a long-standing focus on practical, patient-facing care.

She strictly follows our Editorial Standards: All medical statements are grounded in authoritative guidelines, FDA labels, and peer-reviewed studies, with clear distinction between approved treatments and adjunctive options.