Haironix Scalp Activator Serum bottle and box with 3% Redensyl, 4% Anagain and 2% Baicapil
Haironix scalp serum ingredients: Redensyl, Anagain, Baicapil, caffeine, biotin, plant keratin and rice water
Haironix Scalp Activator Serum key actives explained: Redensyl, Anagain, Baicapil and caffeine
Man applying Haironix Scalp Activator Serum to his scalp with the micro-spray nozzle
How to use Haironix scalp serum: spray onto scalp, massage in, leave on overnight

Haironix scalp care

Haironix™ Scalp Activator Serum

$69.95
$139.95
ON SALE You save $70.00 (50% off)

✓  3% Redensyl, 4% Anagain & 2% Baicapil with caffeine & biotin

✓  Lightweight, non-greasy leave-on formula

✓  Micro-spray nozzle puts the serum on your scalp, not your hair

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Key ingredients & caution

Key actives: 3% Redensyl, 4% Anagain, 2% Baicapil.

Also with: caffeine, biotin, plant keratin and rice water. See the bottle label for the full ingredient list.

Caution: for external use only. Do a patch test 24 hours before first use. Avoid contact with eyes; if contact occurs, rinse thoroughly with water. Stop use if irritation occurs. Not recommended during pregnancy or breastfeeding without consulting a doctor. Keep out of reach of children. Store in a cool, dry place away from direct sunlight.

Shipping & returns

Shipping: orders are processed in 1–2 business days, and tracking is sent by email.

Returns: return eligible items within 30 days, subject to our return guidelines. Questions? Our support team is happy to help.

Using it with your Haironix cap

Use the serum and your Haironix red light therapy cap as part of one simple daily routine. Wear the cap on a clean, dry scalp, then apply the serum afterwards and leave it on.

New to Haironix? See how the cap works.

Why Haironix serum

A lightweight scalp serum for fuller, thicker-looking hair

Haironix™ Scalp Activator Serum blends three well-known hair-care actives, Redensyl, Anagain and Baicapil, with caffeine, biotin, plant keratin and rice water.

Spray it straight onto your scalp, massage it in and leave it on. No rinsing, no greasy residue, and it works under any hairstyle.

Non-greasy, leave-on

A lightweight, non-oily formula you leave on overnight. No need to rinse, and no greasy roots the next day.

3 key hair-care actives

3% Redensyl, 4% Anagain and 2% Baicapil, plant-derived complexes widely used in scalp care for fuller, denser-looking hair.

Caffeine, biotin & keratin

Caffeine for a refreshing feel on the scalp, plus biotin, plant keratin and rice water to strengthen and condition strands against breakage.

Precise micro-spray

The nozzle targets your scalp directly, so the serum goes where you need it instead of coating your hair.

What's inside

The key actives in every spray

3%

Redensyl

4%

Anagain

2%

Baicapil

90

Days of daily use to see how your hair responds

Plus caffeine, biotin, plant keratin and rice water. See the full ingredients and caution at the top of this page.

How to use

Spray. Massage. Leave on.

Spray onto your scalp

Part your hair and use the micro-spray nozzle to apply the serum directly onto your scalp, section by section.

Massage gently

Work it into your scalp with your fingertips for a minute so it spreads evenly.

Leave on overnight

No need to rinse. Use it daily and stay consistent for at least 90 days, since hair grows slowly.

Complete your routine

Pairs with the Haironix Cap

Your serum is the topical part of your routine. The Haironix red light therapy cap is the hands-free part, with 30-minute sessions at home. Choose wired or wireless.

Haironix Wired Cap

Shop Wired

Haironix Wireless Cap

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30-Day Money-Back

Return eligible items within 30 days, subject to our return guidelines.

Tracked Shipping

Orders are processed in 1–2 business days, with tracking sent by email.

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Pay safely with major cards or PayPal at checkout.

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Our team is here to help with orders, routines and questions.

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What customers are saying

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Questions

Scalp Activator Serum FAQ

Who is the Scalp Activator Serum for?

It's for adults who want a lightweight, leave-on scalp serum for fuller, thicker-looking hair. It's not recommended during pregnancy or breastfeeding without consulting a doctor.

How do I use it?

Spray it directly onto your scalp, massage it in gently and leave it on, ideally overnight. No need to rinse. Use it once a day.

Will it make my hair greasy?

No. It's a lightweight, non-oily formula, so it won't weigh your hair down and works under any hairstyle.

Do I need to do a patch test?

Yes. Apply a small amount to a patch of skin 24 hours before first use. Stop using it if irritation occurs, and avoid contact with your eyes.

Can I use it with the Haironix cap?

Yes. Wear the cap on a clean, dry scalp first, then apply the serum afterwards and leave it on. That keeps both steps simple and consistent.

How long until I notice a difference?

Hair grows slowly and results vary from person to person. Use the serum consistently every day for at least 90 days to see how your hair responds.

The Haironix routine

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