“After my second baby, my hair wouldn’t stop falling out. After two months of using it, the shedding has slowed way down, and I even have new baby hairs growing back!”
Natalie R. · 33
Longer, Stronger, Fuller Hair in 6 Weeks
Longer, Stronger, Fuller Hair in 6 Weeks
Korea’s #1 Hair Serum
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Built-in 38-tip massaging brush
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Exosome & Korean botanical formula
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Lightweight, non-greasy texture
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Warning: Low Stock Notice
KAORU sold out 12 times last year. As Korea's #1 scalp serum, demand is high, so order now to secure yours. Ordering today helps you avoid future stock-outs.
When & How to Use
Use the serum morning and night on dry or slightly damp hair.
Apply directly to the scalp using the built-in brush, then gently massage to boost absorption.
No rinsing needed after application.
For best results, we recommend pairing the serum with the KAORU Shampoo as part of your hair care routine.
Who Is It For?
Ideal for:
- thinning or weakened hair,
- sensitive or itchy scalps,
- dry, brittle hair or hair lacking density.
Our serum is suitable for all hair types.
Ingredients
Caffeine: Helps stimulate hair follicles and improve scalp circulation to support healthier hair growth.
Fenugreek Extract: Rich in proteins and nutrients that help strengthen hair roots and reduce shedding.
Botanical Extract Complex: A blend of Korean botanicals that helps soothe the scalp, reduce irritation and create a healthier environment for hair growth.
Menthol: Boosts scalp circulation and delivers a refreshing, cooling sensation.
Glycerin: Helps hydrate the scalp and prevent the dryness that can weaken hair roots.
No added fragranceFull Ingredient List:
Aqua, Alcohol Denat., Butylene Glycol, Caffeine, 1,2-Hexanediol, Hydroxyacetophenone, PEG-60 Hydrogenated Castor Oil, Carbomer, Tromethamine, Menthol, Trideceth-10, Betaine, Disodium EDTA, Glycerin, Eucalyptus Globulus Leaf Oil, Camellia Japonica Flower Extract, Prunus Mume Flower Extract, Prunus Persica Flower Extract, Althaea Rosea Flower Extract, Viola Mandshurica Flower Extract, Helianthus Annuus Flower Extract, Houttuynia Cordata Extract, Cyananthus Stratus Extract, Inula Britannica Flower Extract, Lysimachia Foenum-graecum Extract
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"Been using it for 2 weeks and I'm already seeing tons of little baby hairs coming back 😍"
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"After 2 weeks I was losing way less hair in the shower, and my hair finally looks thicker."
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"From the very first use, my scalp felt calm and so much less irritated. That cooling feeling is amazing."
Longer, Stronger, Fuller Hair in 6 Weeks
Regular price
$35.95
Regular price
$35.95
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Loved by 12,000+ Happy Customers
“My hairline had been receding for years and I’d just accepted it. After only four weeks, I’m seeing new baby hairs growing in at my temples. The first real signs of regrowth I’ve had in over ten years.”
Lisa T. · 52
“Menopause really wrecked my hair. I’d given up. After three months, my hairstylist noticed before I did and asked me what I was using. Worth every penny.”
Diane L. · 54
“A year of intense stress at work made me lose so much hair. After six weeks, my shedding almost completely stopped, and my hair looks thicker than it has in years.”
Lila D. · 38
Why Most Serums Never Reach Your Follicles
Hair grows from the follicle, deep beneath the surface of your scalp. Yet most serums just sit on top, because their molecules are too large to absorb effectively.
KAORU uses a micro-absorption formula designed to reach deep into the scalp, paired with a built-in brush that spreads the serum evenly and boosts circulation.
The result: maximum absorption, right where regrowth begins.
A Premium, Natural Formula
Four carefully chosen actives that calm, hydrate and strengthen your scalp, so your hair can grow back healthier.
Frequently Asked Questions
How soon will I see results?
Most users notice a visible reduction in hair shedding after 2 to 4 weeks of daily use.
Thanks to a formula designed to strengthen the roots and help “anchor” hair right at the base, the first signs of improvement often show up fast: less hair in your brush and in the shower drain.
Regrowth takes time, but the drop in shedding usually comes pretty quickly.
Will it make my hair greasy?
Not at all. Unlike traditional hair oils that sit on the surface and weigh your hair down, KAORU Serum has a lightweight, non-greasy texture.
It absorbs quickly into the scalp without leaving any residue, so you can even use it on dry hair before starting your day.
I’ve already tried hair growth products. What makes KAORU different?
Most products only work on the hair you already have. KAORU works right at the source: your scalp.
When follicles are weakened by poor circulation or an unbalanced scalp, active ingredients have a hard time reaching the root.
KAORU uses a specialized Korean complex designed to help rebalance the scalp and support weakened follicles, especially in thinning areas like the hairline and part.
My scalp is itchy. Can the serum help?
Yes. KAORU was designed to help soothe sensitive, dry or itch-prone scalps.
With a formula enriched with botanical extracts, cooling menthol and actives inspired by Korean scalp care, it helps calm irritation while rebalancing the scalp.
Many users notice a refreshing, cooling sensation and a more comfortable scalp from the very first uses.
What if I’m not happy with the results?
We want you to get visibly thicker, healthier hair.
Since every hair cycle is different, we recommend using the serum daily for at least 30 days to give the results time to fully show.
And if you use KAORU consistently and don’t see the results you expected, you’re covered by our 60-day money-back guarantee. No stress, no risk.
Full Ingredient List
Aqua (Water), Alcohol Denat., Butylene Glycol, Caffeine, 1,2-Hexanediol, Hydroxyacetophenone, PEG-60 Hydrogenated Castor Oil, Carbomer, Tromethamine, Menthol, Trideceth-10, Betaine, Disodium EDTA, Glycerin, Eucalyptus Globulus Leaf Oil, Camellia Japonica Flower Extract, Prunus Mume Flower Extract, Prunus Persica Flower Extract, Althaea Rosea Flower Extract, Viola Mandshurica Flower Extract, Helianthus Annuus Flower Extract, Houttuynia Cordata Extract, Cyananthus Atratus Extract, Inula Britannica Flower Extract, Lysimachia Foenum-graecum Extract.