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Korea's #1 Hair Growth Serum

Hair Growth Serum

Apply. Massage. Nourish.

Scalp care without the mess.

A lightweight scalp serum with a built-in 38-bristle applicator that delivers the formula directly where you want it while massaging your scalp.

Excellent 4.9 | 13k+ Customers
Hair and scalp care expert

Expert Perspective

★★★★★

A consistent scalp-care routine can help support a healthier environment for stronger, fuller-looking hair.

Ingredients and benefits

Hair Growth Support

Caffeine

Helps support the appearance of fuller, healthier-looking hair and is commonly used in scalp formulas designed to support hair follicles.

Niacinamide

Supports the scalp barrier and helps maintain a balanced environment for healthy-looking hair.

Panthenol

Helps moisturise and condition the hair, improving softness, strength and the appearance of thickness.

Biotin

An essential vitamin commonly included in hair-care products to support healthy-looking hair.

Camellia Sinensis Leaf Extract

Green tea extract rich in antioxidants that helps protect the scalp and support a healthy follicle environment.

Polygonum Cuspidatum Extract

A botanical source of resveratrol that provides antioxidant support for the scalp.

Scalp Health & Hydration

Glycerin

A moisture-binding humectant that helps keep the scalp hydrated and comfortable.

Betaine

Helps retain moisture and reduce dryness while supporting scalp comfort.

Heartleaf Extract

A soothing botanical extract commonly used in Korean skincare to help calm and support sensitive scalps.

Curcuma Longa Root Extract

Turmeric root extract with antioxidant and soothing properties.

Glycyrrhetinic Acid

A liquorice-derived ingredient that helps calm irritation and support a balanced scalp.

Bisabolol

A gentle soothing ingredient that helps reduce the feeling of dryness and discomfort.

Menthol

Provides a fresh, cooling sensation and leaves the scalp feeling refreshed.

Polyquaternium

Helps retain moisture and forms a lightweight conditioning layer on the scalp and hair.

Other Formula Ingredients

Aqua

The water base of the formula.

Dipropylene Glycol

A lightweight solvent that helps dissolve and evenly distribute ingredients.

Hydroxyacetophenone

An antioxidant and stabilising ingredient that helps protect the formula.

Xanthan Gum

A natural thickener that gives the serum its smooth consistency.

Disodium EDTA

A stabiliser that helps maintain the quality and effectiveness of the formula.

Complete Ingredients List:

Aqua, Glycerin, Dipropylene Glycol, Caffeine, Niacinamide, Panthenol, Hydroxyacetophenone, Xanthan Gum, Polyquaternium-51, Betaine, Menthol, Polygonum Cuspidatum Extract, Camellia Sinensis Leaf Extract, Curcuma Longa Root Extract, Glycyrrhetinic Acid, Bisabolol, Biotin, Disodium EDTA, Heartleaf Extract.

FREE SHIPPING INCLUDED

Enjoy FREE shipping on every order. We carefully package and ship your LAYVIRO™ order with tracking, so you can shop with confidence from checkout to delivery.

30-Day Comfort Guarantee

We're confident you'll love your LAYVIRO™ pants. If they don't meet your expectations, return them within 30 days of delivery for a refund in accordance with our Return Policy—no questions asked.

I started noticing my part looking wider and my ponytail feeling thinner, which honestly made me panic. The built-in applicator makes this so much easier to use directly on my scalp, and it has finally become part of my nightly routine.

Sarah M.
★★★★★

Rosemary oil was way too messy for me. With this, I can apply the serum exactly where I want it, massage it in with the brush, and my roots don’t feel greasy afterward.

Jessica T.
★★★★★

My hairline was the area I felt most insecure about. I love that I can go right along my hairline and part without getting serum all over my hands.

Emily R.
★★★★★

I have a whole drawer of half-used hair products. This takes me just a few minutes before bed. Part, apply, massage, done.

Amanda K.
★★★★★
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Some FaceBook Reviews

Supports fuller-looking hair
🌿 Nourishes your scalp & roots
💧 Lightweight & non-greasy
🪮 Built-in 38-bristle applicator
Supports fuller-looking hair
🌿 Nourishes your scalp & roots
💧 Lightweight & non-greasy
🪮 Built-in 38-bristle applicator

STEP 1

Twist & Squeeze

Part your hair where you want to focus, then glide the LAYVIRO™ 38-bristle applicator directly across your scalp to dispense the serum exactly where you want it.

STEP 2

Apply & Massage

Use the built-in bristles to gently massage the serum into your scalp for about a minute. No droppers, no greasy hands, no separate scalp massager.

What to Expect

A realistic timeline with consistent daily use

1–3

WEEKS 1–3

Less shedding in the shower is usually the first noticeable sign.

4–8

WEEKS 4–8

Baby hairs and visible regrowth along the hairline and crown typically start appearing.

2–3

MONTHS 2–3

Density and thickness usually become more noticeable with consistent daily use.

LESS SHEDDING IN 1–3 WEEKS
NEW GROWTH IN 4–8 WEEKS
VISIBLE DENSITY AFTER 2–3 MONTHS
★★★★★ 4.9/5 based on 13k+ Reviews

Loved by 10,000+ customers.

A targeted scalp serum designed to make daily hair care simple. The built-in applicator delivers serum directly to the scalp while the flexible bristles help massage it in.

No messy droppers. No greasy hands. Just twist, squeeze & apply.

Finally something I can stay consistent with
★★★★★

Finally something I can stay consistent with

I’ve bought so many hair products that ended up sitting in my bathroom after a week or two. This is different because it takes me maybe a minute before bed. I part my hair, run the applicator along my scalp, massage it in and I’m done. No oily hands and my roots don’t feel greasy afterward.

My ponytail was getting so thin
★★★★★

My ponytail was getting so thin

I knew my hair was changing, but the moment that really got to me was realizing how much smaller my ponytail felt in my hand. I became so self-conscious about it. I’ve been focusing on actually taking care of my scalp now, and this has made that routine ridiculously easy. I especially love using the brush around my part and hairline.

I stopped wearing my hair up
★★★★★

I stopped wearing my hair up

My hairline became such an insecurity that I basically stopped wearing slick backs and ponytails. I hated seeing the thinner-looking areas around my temples. The applicator is honestly what sold me because I can target those exact areas without serum running everywhere. It feels like something I can actually stick with long term.

Customer Reviews

See what our customers are saying

Marissa
Marissa
🇺🇸
★★★★★

I didn’t realize how much my thinning part was affecting me until I noticed I was avoiding certain hairstyles and checking it in every mirror. I’ve been consistent with this serum and my hair has started looking fuller around the areas that bothered me most. I finally wore my hair down again without constantly thinking about my scalp.

✓ Verified customer
09/01/2026
Alicia C.
Alicia C.
🇺🇸
★★★★★

“Wash days honestly started giving me anxiety because of how much hair I’d see in my hands and around the drain. I bought this hoping to at least support my scalp and give my hair some extra care. I love how easy the applicator makes it to stay consistent. My routine feels completely different now.”

✓ Verified customer
08/30/2026
Luisa S.
Luisa S.
🇺🇸
★★★★★

“I became so good at positioning my hair to cover the thinner areas around my temples. Nobody knew how insecure I actually was about it. I started using this every night around my hairline, and seeing my hair look healthier and fuller has given me a confidence boost I really needed.”

✓ Verified customer
08/29/2026
Emily Fernandez
Emily Fernandez
🇺🇸
★★★★★

“I have bottles of oils and serums sitting under my sink because I hated how messy they were. This is the first one I’ve actually stayed consistent with. I twist it, squeeze a little out and massage it straight into my scalp. It takes barely any time, which is probably why I’ve finally stuck with a routine.”

✓ Verified customer
08/28/2026
Sarah M.
Sarah M.
🇺🇸
★★★★★

“My hair used to be one of my favorite things about myself, so watching it gradually look thinner was harder on me than I expected. I know nothing happens overnight, but having a routine I actually look forward to has made such a difference. I’m feeling more confident about my hair again.”

✓ Verified customer
08/27/2026