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Dr. Root Hair Growth Serum Pen

Dr. Root Hair Growth Serum Pen

Visibly Thicker Hair in 2 Weeks

Strengthens Roots & Fills Sparse Areas

All-in-One Hair Growth Solution

Clinically Proven Results

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Dr. Root Hair Growth Serum Pen

Dr. Root Hair Growth Serum Pen

Regular price $49.90
Regular price $49.90 Sale price $99.80
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For Best Results – Daily Ritual in 3 Simple Steps:

1. ROLL
Part hair and glide the cooling metal ball directly onto scalp, focusing on areas of concern

2. MASSAGE
Use fingertips to gently work the serum in for 30 seconds – boost absorption and circulation

3. STYLE
No rinse needed! Style as usual – the lightweight formula won't weigh hair down

When: Morning or night (or both for intensive care)
Pro Tip: Use on clean, towel-dried hair for maximum absorption

The Science Behind Thicker Hair:

GROWTH ACTIVATORS

  • Biotin – The hair vitamin that strengthens strands from root to tip
  • Caffeine – Wakes up sleepy follicles and extends growth phase
  • Niacinamide – Boosts scalp circulation for better nutrient delivery

SCALP SOOTHERS

  • Rosemary Extract – Time-tested herb that stimulates hair growth
  • Menthol – Instant cooling relief that invigorates the scalp
  • Centella Asiatica – Calms irritation and reduces redness

STRENGTHENERS

  • Salicylic Acid – Gently clears follicle-blocking buildup
  • Ginseng – Ancient root that fortifies weak strands
  • Green Tea – Antioxidant shield against environmental damage

FREE FROM: Parabens • Sulfates • Silicones • Gluten
SAFE FOR: Color-treated hair • Sensitive scalps • Daily use

Dr. Root® orders ship anywhere on an average of 5–7 business days.

Please allow 1–2 days for manual fulfillment once shipping begins. Tracking numbers will be provided as soon as your order is on its way.

Love it or your money back.

Try Dr. Root Hair Growth Serum Pen risk-free for 60 days. If you’re not happy, return it for a full refund — no questions asked.

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See it in action

    • Finally, something that actually works!

      "I've tried so many hair growth serums over the years that promised miracles but never delivered. This is different - I can literally see my part getting tighter within minutes! The thinning that made me look tired all the time is filling in, and those sparse areas at my temples are barely visible. At 42, I finally feel confident going out without a hat to the grocery store."

      Margaret S.

    • It's like I got a hair transplant!

      "I was skeptical at first, but wow! This little pen is magic. My receding hairline looks filled in, the bald spot at my crown has disappeared, and I look 10 years younger. My daughter even asked if I had work done! The best part is it works so fast - I just roll it on before I leave the house and I'm good to go all day."

      Linda R.

    • My secret weapon for fuller hair!

      This has become my daily essential. As someone in my 50s, I love that I can look put-together without spending an hour on my hair. It smooths everything out beautifully and gives me that full-headed look even when I'm not. Easy to use, works instantly, and my wife keeps asking what I'm doing differently!

      Carol M.

      Frequently Asked Questions

      Most users notice their scalp feels refreshed immediately thanks to the cooling menthol. Clinical studies show visible improvements in hair thickness within 2 weeks, with continued improvement over 2-3 months of daily use.

      This serum strengthens existing hair and creates optimal conditions for healthy growth. While it won't regrow hair from completely bald areas, it clinically proven to thicken thinning hair by 10% and reduce hair fall.

      Yes! While it works best on thinning areas where follicles are still active, the serum helps strengthen remaining hair and maintains scalp health in all areas.

      Just the opposite! Clinical tests show it reduces excess scalp oil by 46%. The lightweight, watery gel absorbs quickly without leaving residue.

      Yes, but apply them at different times. Use this serum in the morning and other treatments at night (or vice versa) for best results.

      Not required, but the serum absorbs best on clean hair. You can apply it daily whether you wash or not.

      5-7 rolls across your scalp per application. Focus on areas where hair is thinning. The duo set typically lasts 2-3 months with daily use.

      No, it's 100% color-safe and won't interfere with keratin treatments, perms, or other chemical services.