Healthy hair is more than a trend — it's a reflection of vitality, confidence, and inner wellness. At TwentyOneAgain, we believe in aging radiantly, and that includes nurturing your hair from the roots up.

Whether you’re noticing thinning, postpartum shedding, or just seeking longer, fuller locks, choosing the right shampoo is your first powerful step. Below, we’ve curated a list of the best shampoos for hair growth in 2025, backed by science and adored by real users.

Why Hair Growth Shampoos Matter

Hair growth starts at the scalp. That’s why shampoos formulated for growth focus not only on the hair itself, but on nourishing and energizing the scalp to awaken dormant follicles.

At TwentyOneAgain, we advocate for products that support:

• Microcirculation to the scalp
• DHT-blocking action to prevent hair loss
• Nutrient infusion to strengthen hair shafts
• Hydration & repair, especially for aging or chemically treated hair

Our Curated Picks: Top Hair Growth Shampoos

1. Nioxin Cleanser System 2

Best for Fine, Thinning Hair
A go-to for decades, Nioxin’s system is clinically developed to remove follicle-clogging sebum and environmental toxins while boosting volume.

🧴 Hero Ingredients: Biotin, peppermint oil, niacin
🌿 TwentyOneAgain Tip: Pair with their Scalp Therapy Conditioner for maximum impact.

2. PURA D’OR Anti-Hair Thinning Shampoo

Best for a Natural Approach
This cult-favorite shampoo is crafted with a blend of over 17 DHT blockers, all derived from nature. Perfect for those who prefer clean, cruelty-free beauty.

🧴 Hero Ingredients: Biotin, saw palmetto, argan oil
🌿 Why We Love It: Gentle on the scalp, yet visibly effective over time.

3. Bondi Boost Hair Growth Shampoo

Best for Dry or Color-Treated Hair
This Australian brand is buzzing for all the right reasons. It nourishes the scalp while adding softness and shine to stressed hair.

🧴 Hero Ingredients: Peppermint, rosemary, vitamin B5
🌿 Smells Like: A refreshing botanical spa experience

4. Kerastase Genesis Bain Nutri-Fortifiant

Best Luxury Pick
Treat your hair to something decadent. Genesis by Kerastase reduces hair fall from breakage, deeply conditions, and restores strength.

🧴 Hero Ingredients: Edelweiss stem cells, ginger root extract, B6
🌿 Worth the Investment: Ideal for mature, fragile hair

5. Revita Hair Stimulating Shampoo

Best for Early Hair Loss Prevention
Recommended by dermatologists and loved by biohackers, Revita uses science-backed ingredients to awaken your scalp and improve follicle function.

🧴 Hero Ingredients: Caffeine, ketoconazole, apple stem cells
🌿 TwentyOneAgain Tip: Use consistently for at least 90 days for best results