The built-in reservoir holds a compatible water-based scalp serum. Part your hair and glide the comb along the scalp, section by section. The applicator puts the serum where you guide it, in the same pass as your device routine.
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Who is the device not recommended for?
If you have a serious health problem or are taking medication, please read the contraindications or ask our experts (+36703640466) before buying.
Specifications:
Certificate: CE, UKCA
The package includes:
Please note: The package does not contain serums, tonics or other hair growth cosmetics.
Give your scalp a 10-minute routine of its own. Grow My Hair 3-in-1 combines RF, electrical stimulation and LED light in a cordless comb that applies compatible water-based serum directly to your scalp. Serum sold separately.
Fast, flexible & fully tracked delivery from within the EU.
• Zone 1 — Central Europe: Austria, Germany, Romania, Slovakia — from €5.90 (2–4 business days)
• Zone 2 — Extended Europe: Bulgaria, Croatia, Czechia, Poland, Slovenia — from €6.90 (3–7 business days)
• Zone 3 — Europe Wide: Belgium, Denmark, Estonia, France, Greece, Italy, Latvia, Lithuania, the Netherlands, Portugal, Spain — from €9.90 (3–7 business days)
• Zone 4 — Northern & Atlantic Europe: Finland and Sweden from €9.90; Ireland from €27.90 (4–8 business days)
Free standard EU delivery on all orders over €160.
Choose from Packeta Pickup Point or Locker, Packeta Home Delivery and GLS Home Delivery.
Orders placed before 12:00 CET on business days are normally dispatched the same day.
Tracking is provided for every order.
Returns: Easy 14-day returns with personal support from our Customer Care team.
Your exact delivery options and prices will be displayed at checkout. For complete shipping rates and return conditions, please visit our Shipping & Returns page.
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Your parting looks more noticeable. Your hair feels finer when you tie it back. You already have a serum, but getting it onto your scalp can be fiddly. Grow My Hair gives you a dedicated step for scalp care, with the applicator and the device in the same hand.
The built-in reservoir holds a compatible water-based scalp serum. Part your hair and glide the comb along the scalp, section by section. The applicator puts the serum where you guide it, in the same pass as your device routine.
Radiofrequency (RF). Delivers gentle warmth during the scalp routine.
Electrical stimulation. Uses electrical pulses with an adjustable intensity setting. Start at the lowest setting and follow the user guide.
LED light. Choose from red, blue and a combined red/purple setting as described in the user guide.
DERMAGENE®
Every technology we include was validated by aesthetic professionals and physicians — delivering complete home aesthetic protocols, not standalone devices.
AWARD-WINNING · 17 YEARS · 40,000+ DEVICES ACROSS EUROPE · CE CERTIFIED
RECOGNIZED BY ELLE · MARIE CLAIRE · JOY · GLAMOUR · FORBES
Choose a compatible water-based serum or tonic that can be applied directly to the scalp. Keep oils, silicone-based formulas and thick products out of the reservoir. The standalone comb is sold separately from the serum.
Prepare your scalp. Wash your hair and towel-dry it until the scalp is slightly damp. Fill the reservoir with a compatible water-based scalp serum.
Choose your settings. Start at the lowest intensity. Select your LED setting according to the user guide.
Glide along your parting. Move the comb slowly along the scalp in sections. The device switches off automatically after 10 minutes. Follow the serum’s directions for aftercare.
Start with two to three sessions a week. For maintenance, follow the one-session-per-week schedule in the product guidance.
You can see where the serum goes, choose an intensity that feels comfortable and complete the routine in 10 minutes. If you want to track changes in how your hair looks, take photos of the same parting in the same lighting. The timing and extent of any visible change vary from person to person.
The device combines RF, electrical stimulation and selectable LED settings. The reservoir applies a compatible serum topically during the session.
Published research on other devices or settings can explain the technology. Results from those studies do not establish an outcome or a timeline for Grow My Hair 3-in-1.
These references describe research on other products or settings. They provide background on the technologies and do not measure results for Grow My Hair 3-in-1.
** Jellard S. et al. (2025) – Niostem Pilot Study
*** Kincaid et al. (2023); HairLux Clinical Evaluation (2017)
Already have a compatible water-based scalp serum? Choose the Grow My Hair 3-in-1 comb on its own. Prefer a matched pair? The Hair Density Boost Ritual brings the comb and DermaGene® Hair Growth & Scalp Density Serum together.
| Grow My Hair 3-in-1 | Hair Density Boost Ritual | |
|---|---|---|
| Scalp care comb | Included | Included |
| DermaGene® scalp serum | Sold separately | Included |
| Choose it if… | You already have a compatible water-based scalp serum | You want the comb and matching serum together |
✦ = exclusive · ✓ = yes · ✗ = no
Start with two to three 10-minute sessions a week. For maintenance, use it once a week as directed in the user guide.
Use a compatible, lightweight, water-based scalp serum or tonic. Keep oils, thick creams and silicone-based formulas out of the reservoir.
The standalone comb comes with the device and operating instructions. Choose the Hair Density Boost Ritual if you want the DermaGene® serum included.
The comb is designed for a regular cosmetic scalp care routine. We do not give a fixed timeline for changes in the appearance of your hair. If you have sudden or unexplained hair loss, speak with a healthcare professional.
Read the contraindications in Technical Specification and the user guide before use. They cover situations such as pregnancy, breastfeeding, a pacemaker or metal implants, and broken or affected skin.

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