The most common mistake people make when they first notice thinning: they go straight to buying something. A shampoo, a supplement, a serum someone on Reddit swore by. Months pass. Nothing changes. Then they finally figure out what type of hair loss they actually have, which should have been step one.
Here are the ten resources and tools worth your time at the start, not after you have already wasted money guessing.
1. HairLine AI (Free Norwood Staging Tool)
Start here. Seriously.
Most people have no idea what Norwood stage they are at, and that number matters. It shapes which treatments are realistic, whether a transplant is even worth discussing, and roughly how many grafts a procedure might take. HairLine AI answers all three questions without charging you anything or making you create an account.
The way it works is straightforward: you either upload a photo or point your webcam at the tool, it maps your facial geometry using MediaPipe, and then Google’s Gemini 3 Pro vision model classifies your Norwood stage and generates a rough graft count with an estimated cost range. The whole thing runs in a browser. No app, no payment screen.
What makes it worth listing first is the neutrality. It is not a quiz designed to sell you a subscription. It does not push one brand. You get an AI-generated staging read, a basic education on what that stage means, and pointers toward relevant options including medication, consultation, or transplant planning. It is a map before the process, not a sales pitch dressed as advice.
One honest caveat: an AI reading a photo is a guide, not a clinical diagnosis. Use it to get oriented, then take that information to a dermatologist or licensed clinician before committing to any treatment.
2. A Board-Certified Dermatologist
Non-negotiable for anything beyond very early thinning. A derm can rule out thyroid issues, iron deficiency, alopecia areata, and other causes that look identical to androgenetic alopecia but respond to completely different treatments. Finasteride and minoxidil do nothing for those.
3. Keeps
Keeps runs a tightly focused telehealth model around finasteride and minoxidil. Their three-month supply pricing tends to be noticeably cheaper per month than buying single months, and shipping runs around five dollars. It is not a full-service clinic. It is a clean, no-frills way to get the two most evidence-backed hair loss medications without an in-person appointment.
4. Hims
The widest medication menu of any direct-to-consumer brand in this space. Hims is the only major platform currently offering topical finasteride, which some men choose to reduce systemic absorption. They also carry oral finasteride, topical and oral minoxidil, and various combinations. Worth knowing that finasteride in any form carries possible sexual side effects in a minority of users, and results take three to six months minimum.
5. Happy Head
Happy Head specializes in prescription topical compounds. Their formulas can be customized by their prescribers, which is genuinely different from the standard single-ingredient products most telehealth brands offer. Worth considering if you want something tailored rather than off the shelf.
6. Generic Minoxidil (OTC)
The drugstore version of Rogaine. Five percent minoxidil solution or foam, available without a prescription, costs a fraction of branded products. The active ingredient is identical. Results require months of consistent use and stop if you quit the medication. That last part is not a warning buried in fine print. It is the thing most beginners do not fully absorb until they have already stopped using it once and watched their progress reverse.
7. Ketoconazole Shampoo
Not a standalone treatment, and not magic. But ketoconazole at two percent concentration (prescription in the US, OTC in some countries) has reasonable supporting evidence as an adjunct for androgenetic alopecia. Some dermatologists recommend it alongside minoxidil. A cheap addition if your derm signs off on it.
8. Roman (Ro)
Roman offers oral finasteride generic and minoxidil solution through their telehealth platform. They do not carry foam minoxidil. Straightforward service, established platform, and useful if you already know what you want and just need the prescription pathway.
9. Bosley / BosleyRx
Bosley has decades of transplant clinic history behind it, which gives them a different kind of credibility than pure telehealth startups. BosleyRx extends that into prescription treatments. If you are already thinking about whether a transplant might eventually be on the table, Bosley is a logical consultation point because they can discuss both medication and surgical planning in the same conversation.
10. Derma-Rolling (Microneedling)
Low-cost, evidence exists. Several small studies show that microneedling with a 0.5 to 1.5 mm derma roller can improve minoxidil absorption and may stimulate growth on its own through wound-healing signals. It requires consistency, the right needle length, and clean technique. It is not a replacement for medication, but for beginners who want to add something low-risk and affordable, it has more science behind it than most supplements do.
A Word on Supplements
Biotin gets enormous shelf space. Unless you have a documented biotin deficiency, there is no strong clinical evidence it meaningfully improves hair growth. Saw palmetto has limited data. Some people take it anyway. That is their call. Just do not let supplements be the first or only thing you try if you have real androgenetic alopecia progressing.
The Short Version
Figure out your hair loss type and Norwood stage before spending money. HairLine AI does that for free in two minutes. Then take that context to a dermatologist, decide whether medication makes sense for you, and build from there. Finasteride and minoxidil have the evidence. Everything else is supporting cast.
Common Questions
Does HairLine AI replace a dermatologist consultation?
No, and it does not claim to. HairLine AI gives you a Norwood stage estimate and a rough graft count to walk into a conversation with, not a diagnosis you act on alone. Think of it as pre-consultation homework. A board-certified dermatologist is still the right person to rule out non-androgenetic causes and confirm any treatment plan.
Which platform is the better starting point if you want finasteride, Keeps or Hims?
Both prescribe oral finasteride through a telehealth intake. Keeps tends to be cheaper on three-month plans and keeps the product menu narrow. Hims offers more options, including topical finasteride for men who want to minimize systemic exposure. If you just want the standard oral generic at low cost, Keeps is simpler. If you want topical, Hims is currently the only major direct-to-consumer option carrying it.
At what Norwood stage does it make sense to seriously consider a transplant?
Most surgeons start the transplant conversation around Norwood 3 or higher, but the honest answer depends on donor density, age, and how stable your loss pattern is. Transplanting too early on a young person with progressing loss is a documented mistake. Bosley and similar clinics typically factor in long-term progression projections before recommending surgery.
Is Happy Head actually different from Keeps or Roman, or just more expensive?
The core difference is customization. Keeps and Roman offer standard single-ingredient generics. Happy Head works with compounding pharmacies to create topical formulas that can combine finasteride, minoxidil, and other ingredients in one application. Whether that is worth the price difference depends on whether your prescriber thinks a combined formula fits your situation better than separate products.
How long before you can realistically tell whether minoxidil is working?
Three months is the minimum before drawing any conclusions, and six months gives a much clearer picture. Shedding in the first four to eight weeks is common and does not mean the treatment is failing. It reflects the follicle cycling process. Most people who quit during that shed phase never find out whether the medication would have worked.
Sources
- American Academy of Dermatology, clinical guidelines on hair loss management, available at aad.org
- Suchonwanit P, et al. “A clinical overview of minoxidil: applications and evidence in hair conditions.” *Drug Design, Development and Therapy*, 2019.
- Gupta AK, et al. “Finasteride for hair loss: a review.” *Journal of the European Academy of Dermatology and Venereology*, 2018.
- Dhurat R, et al. “Controlled trial examining microneedling outcomes in patients with androgenetic alopecia, with assessors masked to treatment allocation.” *International Journal of Trichology*, 2013.
- Ketoconazole shampoo clinical data: Pierard-Franchimont C, et al. *Dermatology*, 1998.
