




Studied for scalp cellular repair
Stimulates scalp microcirculation
Soothes, calms and supports the skin barrier
Strengthens hair fiber from within
Deep scalp hydration
Root Shot Serum - PDRN Scalp Hair Brush
Say goodbye to thinning hair and scalp neglect. This PDRN-powered serum delivers active ingredients straight to the root, stimulating your scalp, strengthening each strand, and supporting visible hair density over time.
Studied for scalp cellular repair
Stimulates scalp microcirculation
Soothes, calms and supports the skin barrier
Strengthens hair fiber from within
Deep scalp hydration
Pairs well with
What makes it different?
Most scalp serums never actually reach the scalp. They drip onto the hair shaft, sit on the surface, and get absorbed by the hair - not the root. The Root Shot Serum was built to fix exactly that.
The 6-tip brush parts your hair as you apply, dispensing the serum directly through the bristles onto the scalp. PDRN and Caffeine reach the root every time - no dropper, no guessing, no waste.
The result? A lightweight formula that absorbs fast, leaves no greasiness, and works on any hair type - fine, thick, or thinning. Just part, apply, and let the scalp do the rest.
- Reaches the scalp directly
- Zero mess, zero waste
- Works on any hair type
- Absorbs fast, no greasiness
How do I use it?
Step 1: Part & Prep
Start with dry or slightly damp hair. Part your hair in sections to expose the scalp - the more direct access, the better the results.
Step 2: Apply Directly to the Scalp
Press the 6-tip brush firmly against your scalp and squeeze gently. The serum dispenses directly through the bristles onto the root. Work section by section, covering the areas you want to treat most - crown, temples, or hairline.
Step 3: Massage It In
Use the brush or your fingertips to massage the serum into the scalp for 30 to 60 seconds. This activates microcirculation and helps absorption. No rinsing needed.
Step 4: Style as Usual
The lightweight formula absorbs fast - no greasiness, no residue. Style your hair as normal. Use morning or night, consistently, for best results over time.
Science & Benefits
Your scalp, finally getting what it needs.
Vegan PDRN - a K-beauty active studied for scalp repair and cellular renewal
Spicule Complex - micro-delivery technology that drives actives deeper into the scalp
Caffeine - stimulates microcirculation for a visibly energized, awakened scalp
Centella Asiatica - soothes irritation, balances sensitive and stressed scalp
Clinic-level actives. No needles, no appointment, no downtime.
Ingredients
What's in it. Why it matters.
Sodium DNA (Vegan PDRN) - a K-beauty active studied for scalp repair and cellular renewal.
Hydrolyzed Sponge - micro-delivery technology that drives actives deeper into the scalp surface.
Caffeine - stimulates microcirculation for a visibly energized, awakened scalp.
Centella Asiatica - soothes irritation and calms sensitive, stressed scalp.
Hyaluronic Acid - keeps the scalp barrier hydrated and balanced.
Full ingredient list: Water, Glycerin, Hydrogenated Castor Oil, 1,2-Hexanediol, Carbomer, Arginine, Sodium DNA, Caffeine, Hydrolyzed Sponge, Centella Asiatica Extract, Hyaluronic Acid
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
99-DAY GUARANTEE
Try Senalie completely risk-free. If you're not satisfied for any reason, you have 99 days from delivery to request a full refund - no complicated process, no questions asked.
-
Customer Support
Email us at hello@senalie.com or call us at +1 (646) 902-9617. We're happy to help with anything you need, anytime.
-
Shipping Information
Orders ship within 24 hours and arrive in 5 to 8 business days, fully tracked from our warehouse to your door.
They tried it. Their scalp noticed.
Join thousands who stopped guessing and started treating.

The serum that finally reaches your scalp
Meet the serum that takes the guesswork out of scalp care.
Our PDRN-powered formula is dispensed directly through the 6-tip brush, right where your scalp needs it most - not on the hair shaft, not on your fingers, straight to the root.
It stimulates microcirculation, supports hair density, and nourishes each follicle over time. One serum, one brush, one daily ritual. Just part, apply, and let it work.

How does it work?
The Root Shot Serum uses a 6-tip brush applicator that parts the hair and delivers serum directly onto the scalp - bypassing the hair shaft entirely.
Most serums drip onto the hair and never reach the root. Ours works differently. The brush separates your hair as you apply, and the serum flows through the bristles directly onto the scalp surface, where PDRN and Caffeine can actually do their job.
The result? Active ingredients where they belong - at the root. No waste, no residue on the hair, just a targeted scalp treatment that works with your routine, not against it.
FAQs
I've spent money on hair products that promised everything and delivered nothing.
Most scalp products put serum on the hair - not the scalp. That's why they don't work. This one delivers the actives directly where the follicles are. Different mechanism, different result.
I'm worried it will make my hair look greasy all day.
The formula is lightweight and no-rinse - designed to absorb into the scalp, not sit on the hair shaft. Apply at night and it's gone by morning. No oily roots, no weighed-down hair.
How long before I actually see something?
Most people notice a calmer, less itchy scalp within the first two weeks. Baby hairs typically start appearing between weeks 4 and 6. Visible density change comes at the 2–3 month mark. We communicate this upfront so you're not guessing.
I don't want to depend on a product forever just to maintain results.
This isn't a pharmaceutical - there's no rebound effect when you stop. The actives support your scalp's natural environment. Use it consistently during a shedding phase, then scale back to maintenance. Your call, every time.
