Japanese Hair Loss Treatments: A Complete Guide to the Best Products from Japan

TsujimotoNatalia
2026-03-31T20:07:05+09:00

Japan has one of the most developed hair care markets in the world. Stroll into any Japanese pharmacy and you'll find an entire aisle dedicated to scalp care and hair growth — far more than in most European or American drugstores. After more than two decades living here in Japan, I've tried dozens of these products and watched the science behind them evolve significantly.

The good news is that Japanese hair loss treatments have never been more effective — or more accessible internationally. In this guide, I'll walk you through the best options available at Tsujimoto Market, from classic medicated tonics to premium scalp serums and growth-supporting supplements, so you can find exactly what fits your situation and budget.

Why Japanese Hair Loss Treatments Are Different

The Quasi-Drug System

One of the most important things to understand about Japanese hair care is the quasi-drug (医薬部外品) classification. This is a regulatory category that sits between cosmetics and prescription medicines. Products must pass clinical testing and contain approved active ingredients at verified concentrations before they can carry this classification.

This means that when you buy a Japanese 育毛剤 (hair growth tonic), it contains clinically tested active ingredients at concentrations high enough to make a measurable difference — unlike cosmetic shampoos in most other countries, which can make vague "nourishing" claims without regulatory scrutiny.

Scalp-First Philosophy

Japanese hair loss treatment starts with the scalp, not the hair strand. The approach is based on the understanding that healthy hair can only grow from a healthy scalp environment — and that most hair loss is rooted in poor circulation, sebum imbalance, weakened follicles, or hormonal disruption.

This is why Japanese tonics are applied directly to the scalp rather than the hair, and why most recommend massaging after application: to stimulate blood flow to the follicles where it matters most.

Traditional + Modern Ingredients

Japanese hair formulas combine pharmaceutical actives with traditional botanical ingredients. Hinoki cypress extract (ヒノキチオール), Sophora japonica root, seaweed extracts, and proprietary plant complexes appear alongside clinically tested actives like adenosine, ethinylestradiol, and zinc. The result is formulas that work on multiple levels simultaneously — antimicrobial, circulatory, hormonal, and nutritive.

The Best Japanese Hair Loss Treatments

Here is my selection of the most effective products available at Tsujimoto Market, covering every budget and concern from preventive maintenance to serious thinning.

1. Yanagiya Hair Tonic 240ml — The Pharmacy Classic

If you want to start with something genuinely iconic, the Yanagiya Hair Tonic is the place to begin. Yanagiya has been producing hair care products in Japan since the Meiji era — this is one of the oldest and most recognised hair tonic brands in the country. The formula has been refined over generations but retains its core function: a light, medicated scalp treatment that prevents hair loss, controls dandruff, and keeps the scalp environment clean and balanced.

At an accessible price with a generous 240ml bottle, Yanagiya is the ideal starting point if you're new to Japanese medicated hair care and want to experience the difference before committing to a more advanced formula.

2. Kaminomoto A Hair Tonic — Fragrance Free 200ml — The Trusted Standard

Kaminomoto is one of Japan's most recognised hair growth brands, and Kaminomoto A is their foundational product — a medicated hair tonic (養毛剤) that Japanese pharmacists have been recommending for decades. The fragrance-free version is especially suited to people who are sensitive to scents, or who want something they can apply morning and night without it being noticeable.

The formula contains 7 active ingredients working in combination:

Kamigen E — a proprietary plant extract that stimulates blood circulation in the scalp

CS-Base — an organic acid complex that acts on the hair matrix cells responsible for generating new hair

Isopropylmethylphenol — an antibacterial agent that keeps the scalp environment clean

Salicylic acid — softens the scalp surface so active ingredients can penetrate more deeply

Pyridoxine HCl (Vitamin B6) — regulates sebum and supports follicle health

Apply 3–4ml to the scalp morning and night and massage in well. This is a foundation routine product that builds results over 3–6 months of consistent use.

3. Ladies Kaminomoto EX — Hair Growth Lotion 150ml — For Female Hair Thinning

Ladies Kaminomoto EX is specifically formulated for female hair loss patterns, which tend to present differently from male-pattern hair loss. Women's hair thinning is often diffuse — spread across the scalp rather than receding at the hairline — and is strongly influenced by hormonal changes: postpartum shedding, menopause, or chronic stress.

This formula targets these female-specific mechanisms with a combination of ingredients that support the hair growth cycle, stimulate scalp circulation, and calm inflammation. It's one of the most popular women's hair growth products in Japanese pharmacies, and a product I recommend frequently to customers who come to me after pregnancy or life transitions that affect hair density.

4. Kaminomoto Delta Scalp Booster Spray 150ml — The Modern Upgrade

The Delta Scalp Booster is Kaminomoto's newest and most advanced product — and my current personal recommendation for anyone who wants the most comprehensive formula in the range. It combines 8 active ingredients with a convenient targeted spray applicator that delivers the formula directly to the scalp, even in hard-to-reach areas like the crown or centre parting.

What makes it stand out from other Kaminomoto tonics:

8 active ingredients — the broadest coverage in the Kaminomoto hair tonic range

Zinc mineral complex — zinc chloride alongside calcium and magnesium chlorides supports follicle health from a mineral angle that most tonics miss

Rosemary and Sophora root extracts — plant-based scalp-conditioning and anti-inflammatory actives

Non-greasy spray format — absorbs immediately, leaves no sticky residue, fragrance-free

If you've been using Kaminomoto A and want to step up to a more powerful formula, or if you're starting from scratch and want the most current option in the range, the Delta Scalp Booster is the one to choose.

5. Kaminomoto Hair Accelerator EX Pro 150ml — For Growing Hair Faster

Not all hair loss is about follicle damage or scalp condition. Sometimes the goal is simply to grow hair longer, faster — whether you've cut too short, experienced temporary shedding from illness, postpartum recovery, or just want to accelerate growth. This is exactly what the Hair Accelerator EX Pro is designed for.

With 9 active ingredients — the highest number in the Hair Accelerator series — it focuses specifically on the anagen (active growth) phase of the hair cycle, stimulating the matrix cells that drive hair production. It also contains the highest concentration of zinc in the entire Hair Accelerator range, plus three types of seaweed extract for scalp nourishment and conditioning. The scent is a light, clean savon fragrance.

This is the product I'd point to for women who want to grow out their hair after a dramatic cut, or for anyone recovering from significant but temporary hair shedding.

6. Shiseido Professional Adenovital Advanced Scalp Essence 180ml — The Premium Choice

For those dealing with more serious, progressive thinning and willing to invest in a premium solution, the Shiseido Professional Adenovital Advanced Scalp Essence is in a different category entirely. This is a professional-grade treatment from Shiseido's salon division, containing adenosine as a key active ingredient.

Adenosine is a naturally occurring molecule that has been studied extensively in Japanese clinical research for its ability to directly stimulate hair follicle activity — specifically by prolonging the anagen (growth) phase of the hair cycle and increasing the diameter of the hair shaft. Unlike the plant-based actives in most tonics, adenosine has a well-documented mechanism of action backed by peer-reviewed studies.

The formula also includes a scalp microbiome-supporting complex and multiple botanical actives that address scalp condition simultaneously. You'll typically need less product per application compared to standard tonics, which offsets some of the premium price. If you're experiencing noticeable, progressive thinning rather than mild shedding, this is where I'd start.

7. La Mente More+ Scalp Serum with Stem Cells, Placenta & Ceramides 200ml — For Scalp Restoration

The La Mente More+ Scalp Serum takes a different approach to the other products in this list — instead of a medicated tonic, it's a comprehensive scalp restoration serum combining three powerful active categories: stem cell technology, placenta extract (a signature Japanese ingredient used in both hair and skin care), and ceramides for scalp barrier support.

Placenta extract has a long history in Japanese hair care and is backed by its own body of Japanese clinical research. It supports scalp cell renewal, improves blood circulation, and helps regulate sebum — making this serum particularly useful if your hair loss is accompanied by visible scalp issues like dryness, sensitivity, or poor skin condition.

I often recommend La Mente as a companion treatment alongside a medicated tonic, especially for people whose scalp condition has been compromised by harsh products, colouring, or heat styling.

8. DHC Millet UP — Hair Growth Supplements from Within

Topical treatments work from the outside — but addressing hair loss comprehensively often requires nutritional support from within. DHC Millet UP provides a supplement blend specifically designed to support hair growth, with millet seed extract as its centrepiece ingredient alongside B vitamins, zinc, and co-factor botanicals.

Hair is primarily composed of keratin protein, and its production requires a steady supply of specific nutrients that are often depleted during periods of physiological stress — postpartum, illness, crash dieting, or chronic fatigue. Taking a supplement alongside topical treatment gives your body the raw materials it needs to actually produce new hair. This inside-out approach is standard in Japanese hair care protocols and is how most Japanese pharmacists will advise you to approach persistent hair thinning.

How to Choose the Right Product

Starting out / first-time user: Begin with the Yanagiya Hair Tonic or Kaminomoto A — accessible price, proven formulas, and a low-commitment way to test how your scalp responds to a medicated Japanese tonic.

Women with postpartum or stress-related shedding: Ladies Kaminomoto EX is formulated specifically for female hair loss patterns. The Hair Accelerator EX Pro is ideal if you also want to accelerate regrowth speed.

Want the most comprehensive tonic: The Kaminomoto Delta Scalp Booster offers 8 active ingredients, a zinc mineral complex, and the easiest spray applicator in the range.

Progressive or significant thinning: The Shiseido Adenovital is the premium-tier option with the strongest clinically documented active ingredient.

Scalp also dry, sensitive, or damaged: The La Mente Scalp Serum restores scalp barrier health alongside promoting growth.

For best overall results: Combine a topical tonic with DHC Millet UP to address hair health from both outside and in.

Tips for Getting the Best Results

Consistency is everything. A single bottle used irregularly will not produce visible results. Japanese hair growth protocols are designed for twice-daily use over at least 3–6 months. Results compound gradually — and the hair growth cycle takes 2–3 months to complete, so changes in follicle activity take time to become visible.

Apply to a freshly washed scalp. Use your tonic or essence after washing your hair while the scalp is still slightly warm. Blood flow is elevated, pores are open, and active ingredients will penetrate more easily.

Always massage after applying. Spend 1–2 minutes massaging the scalp after application. Scalp massage is well-studied for its ability to increase dermal papilla thickness and promote the hair growth phase. It also helps distribute the product evenly and drives ingredients deeper into the follicle.

Target the scalp, not the hair. These are scalp treatments, not hair conditioners. Apply them directly to the scalp surface. Applying to the hair shaft wastes product and doesn't reach where it needs to work.

Track your progress. Hair changes are gradual and easy to miss day-to-day. Taking a photograph of your parting or problem areas every 4–6 weeks makes it much easier to see whether a product is working over time.

Frequently Asked Questions

Do I need a medicated tonic or is a good shampoo enough?

For mild thinning or preventive care, a scalp-focused shampoo can make a meaningful difference — especially one with active ingredients like ketoconazole or salicylic acid. But for noticeable, active hair loss, a medicated tonic applied to the scalp and left in is significantly more effective, because it stays in contact with the follicles for hours rather than being rinsed away after a few minutes.

Can I combine multiple products?

Yes — this is actually the standard Japanese approach. Combining a topical tonic with a supplement like DHC Millet UP is common practice. You can also layer a scalp serum like La Mente under a lighter tonic for intensive treatment. The main thing to avoid is using two strong medicated tonics simultaneously on the same area, which is unnecessary and may cause irritation.

How long until I see results from Japanese hair treatments?

Most products recommend a minimum of 3–6 months of consistent daily use before evaluating results. The hair growth cycle takes 2–3 months to complete, so changes in follicle activity take time to become visible at the surface. Early improvements in scalp condition — less oiliness, reduced itching, calmer skin — can often be noticed within 4–6 weeks, even before hair density visibly changes.

Which products are safe for men?

All products in this guide are suitable for men and women. Several products — including Kaminomoto Delta Scalp Booster and Hair Accelerator EX Pro — contain ethinylestradiol, a female hormone that is also used in hair growth tonics marketed to men in Japan. According to Kaminomoto, the amount used is strictly regulated by Japan's Ministry of Health, Labour and Welfare and has no effect beyond the scalp. Ladies Kaminomoto EX is specifically marketed towards women due to its focus on female hair loss patterns, but is not hormonally restricted.

Are these products safe for colour-treated hair?

Generally yes — Japanese scalp tonics are applied to the scalp and do not significantly contact the hair shaft. Products containing salicylic acid may slightly accelerate colour fade if applied directly to coloured hair, so it's worth applying carefully to the scalp surface only. Individual product descriptions include any specific cautions.

Conclusion

Japanese hair loss treatments represent some of the most rigorously developed over-the-counter scalp care solutions available. What sets them apart isn't just ingredient innovation — it's the quasi-drug regulatory system that demands clinical evidence, the scalp-first philosophy rooted in decades of Japanese dermatological research, and formulas that address multiple causes of hair loss simultaneously.

Whether you're dealing with postpartum shedding, stress-related thinning, slow growth, or progressive hair loss, there's a product in this guide that fits your situation. The most important thing, as with all Japanese hair care, is consistency: use it daily, massage well, and give it time.

Browse the full selection at Tsujimoto Market's Japanese Hair Growth collection — every product shipped directly from Japan to your door.