Revivogen

Short answer: Some do — but most “hair loss shampoos” alone rarely regrow a lot of hair. Topical medical treatments and prescription drugs with good supporting evidence can slow loss and often produce measurable regrowth over months. What works (better evidence) Minoxidil (topical) — the only FDA‑approved OTC topical that consistently increases hair count in androgenetic (pattern) hair loss. Available as foam and solution (brands: Rogaine; generics like Kirkland). Expect 3–6 months to see change; continued use is required. Finasteride (oral) — prescription for men; well‑proven to slow hair loss and increase hair count by blocking DHT. Available through telehealth services like Keeps, Hims, Roman. Not for women of childbearing potential. Low‑level laser therapy (FDA‑cleared devices such as HairMax) — modest but reproducible benefits in some studies. What helps as adjuncts (some evidence, usually modest) Ketoconazole shampoo (Nizoral 1–2%) — anti‑fungal with anti‑inflammatory and mild anti‑DHT effects; useful as an adjunct to reduce scalp inflammation and improve scalp health. Topical finasteride and compounded combination serums — emerging data suggest benefit with lower systemic exposure, but formulations and quality vary; use via reputable compounding pharmacy or clinic. Supplements (Nutrafol, Viviscal) — some clinical trial evidence of modest benefit in certain people, especially if nutrition/hormone issues are present. Biotin only helps if you have a deficiency (rare); high doses can interfere with lab tests. What’s less convincing Many “DHT‑blocking” shampoos, plant extracts (saw palmetto shampoos like Revivogen), or cosmetic serums (many brand names such as Vegamour) have limited or mixed clinical evidence. They may improve scalp condition and hair thickness cosmetically but rarely produce major regrowth by themselves because most shampoos don’t penetrate deeply enough to alter the follicle environment. Practical approach I recommend Get a diagnosis first — telogen effluvium, alopecia areata, scarring alopecia and pattern loss are treated differently. See a dermatologist or use a reputable telemedicine service (Keeps, Hims, Roman) if you can’t get to a clinic. For male pattern hair loss: consider oral finasteride (prescription) + topical minoxidil (Rogaine or generic) as first‑line; add ketoconazole shampoo (Nizoral) twice weekly as an adjunct. For female pattern hair loss: topical minoxidil is first-line; some women may benefit from prescription options (e.g., spironolactone). See a clinician before starting prescription meds. Be patient — 3–6 months to detect change; full effect often 12 months. Continuous use is needed to maintain results. Watch for side effects — scalp irritation with minoxidil/ketoconazole; sexual or mood side effects with finasteride (rare but important). Women who are pregnant or may become pregnant should avoid finasteride. Brand/service recommendations (why) Rogaine (minoxidil) or Kirkland/generic minoxidil — proven, widely available topical solution/foam. Nizoral (ketoconazole shampoo) — inexpensive, evidence as a helpful adjunct. Keeps, Hims, Roman — telemedicine services that can diagnose remotely and supply finasteride, minoxidil and counseling. HairMax — FDA‑cleared laser devices if you want an adjunct non‑drug option. Nutrafol or Viviscal — supplements with some trial data; try only if you suspect nutritional/other contributors. If you want, tell me: whether you’re male or female, how old you are, how long you’ve had hair loss, whether it’s diffuse or patterned, and I’ll suggest a more specific plan and which products/services to try first.

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