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Based in the United States — Evidence-based hair loss information following AAD & FDA guidelines.

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Maya Castillo is a US-based, US-trained hair science writer and research editor specializing in hair growth, scalp health, and evidence-based wellness. She follows AAD (American Academy of Dermatology) guidelines and translates complex scientific research into practical guides to help readers make informed decisions about their hair health.

maya.castillo@besthairregrowth.comLearn more about Maya →

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Reviews

The Truth About Hair Growth Shampoos in 2025: Do They Really Work?

Find out which hair growth shampoos actually work in 2025 and which are marketing myths. Learn how DHT blockers and peptides make the difference.

D

Dr. Jonathan Reyes, MD, Trichology Specialist

November 4, 2025
November 4, 2025
8 min read
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Published
November 4, 2025
Last updated
Nov 8, 2025
Hair growth shampoos and DHT blocking ingredients
Hair growth shampoos and DHT blocking ingredients

Affiliate Disclosure: This article contains affiliate links. We may earn a commission at no extra cost to you.

Do Hair Growth Shampoos Work?

Most hair growth shampoos don’t grow hair directly—they support a healthier scalp environment. By removing buildup and delivering actives like caffeine or ketoconazole, they improve follicular function. Think of them as supportive, not curative.

Active Ingredients That Matter

Caffeine: Stimulates circulation and counters DHT activity.

Ketoconazole: Antifungal that reduces inflammation and scalp DHT.

Saw Palmetto: Natural 5-alpha-reductase inhibitor that blocks DHT locally.

Recommended Products for 2025

Dermatologists recommend Revita Shampoo for men and Nioxin System 4 for women. Both contain DHT-blocking ingredients and scalp-strengthening peptides.

Expert Summary

Dr. Jonathan Reyes notes, “No shampoo alone reverses baldness, but using the right one enhances other treatments. Focus on consistency and scalp health.”

Recommended US Products

These evidence-based hair loss treatments are available in the United States and have been reviewed for safety and efficacy:

  • •Rogaine (Minoxidil) - FDA-approved topical treatment
  • •Keeps - Subscription-based hair loss solutions
  • •Hims - Comprehensive hair care products and treatments
  • •Nutrafol - Science-backed hair growth supplements
  • •Vegamour - Plant-based hair wellness products

Always consult with a US-licensed dermatologist or healthcare provider before starting any new treatment. Products mentioned are for informational purposes only.

Have Questions?

Consult with a dermatologist or healthcare provider before starting any new hair loss treatment. Always read labels and follow instructions carefully.

Coming soon...

Table of Contents

  1. 01.Do Hair Growth Shampoos Work?
  2. 02.Active Ingredients That Matter
  3. 03.Recommended Products for 2025
  4. 04.Expert Summary

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