Elena R.
and 15,000+ others bought
Hair Growth Scalp Serum with Brush Applicator
Anti-hair loss serum
Stops shedding in weeks
Watch baby hairs grow in
Thicker Hair
Backed by clinical testing and powered by plant-based exosome technology, GrowTurn works with your scalp's natural biology — not against it. less then minutes a day, no mess, no dependency.
Finally something that actually works! I was skeptical at first, but the built-in silicone brush makes application so clean and easy without messing up my hair.
10/10 Korean scalp care Now I see why over 1 million units were sold! It calms scalp irritation instantly and noticeably strengthens hair strands from the root.
Game changer for thinning hairline The plant exosome formula combined with the applicator massage is genius.
Non-sticky and super effective Most hair serums leave my roots feeling oily, but this ampoule dries completely clean.
Visible density in just a month My hair was thinning around the crown after having my baby.
After 3 weeks of daily use on my hairline, I can clearly see baby hairs growing back. Truly worth the hype!
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60-Day Money-Back Guarantee
Try it worry-free. Not satisfied? Get a full refund — no questions asked.
Will it work on my hair type?
Will it work on my hair type?
Yes! Whether your hair is straight, wavy, curly, or coily, or if you have thin or thick hair, this formula is built for every scalp. The featherlight formula absorbs quickly without leaving any grease or sticky residue, so it won't weigh down your roots or mess up your daily styling.
Can I use this serum if I have a sensitive or itchy scalp?
Can I use this serum if I have a sensitive or itchy scalp?
Absolutely. The formula is specifically designed with soothing Korean botanicals like Cynanchum Atratum, Houttuynia Cordata, and cooling Menthol. They work together to calm redness, relieve itchiness, and balance scalp sensitivity from the very first application.
What are the main ingredients how do they help?
What are the main ingredients how do they help?
Our formula features 12 powerful botanical extracts and active ingredients:
Caffeine: Penetrates the scalp to energize hair roots, stimulate microcirculation, and help reduce hair shedding.
Fenugreek Extract: Rich in phytoestrogens and proteins that strengthen individual strands and prevent breakage.
Menthol: Triggers cold-sensing receptors to deliver an instant cooling effect, relieving scalp itchiness and discomfort.
Betaine + Glycerin: Acts as a deep-penetrating humectant duo that pulls moisture into the scalp without feeling heavy or greasy.
Houttuynia Cordata Extract: A traditional East Asian botanical rich in flavonoids that calms inflammation and balances scalp oil.
Camellia Japonica Leaf Extract: Packed with Omega-9 fatty acids and antioxidants that restore elasticity and smooth hair cuticles.
Eucalyptus Leaf Oil: Provides natural antiseptic properties to clear buildup and leave roots feeling refreshed.
Carob Fruit Extract (Ceratonia Siliqua): Rich in essential vitamins and minerals that coat the hair fiber to improve tensile strength.
Persimmon Fruit Extract (Diospyros Kaki): Contains high levels of Vitamin C and polyphenols that protect hair follicles from oxidative stress.
Cynanchum Atratum Extract: A traditional Korean herbal medicine specifically used to soothe sensitive scalps and reinforce root strength.
Inula Britannica Flower Extract: An herbal extract known in K-beauty for its potent anti-inflammatory properties that reduce scalp redness.
Loosestrife (Lysimachia) Extract: Nourishes deep within hair follicles to support a comfortable environment for thicker-looking hair.
How do I apply the serum to my scalp?
How do I apply the serum to my scalp?
Application takes under a minute with our built-in applicator:
1. Turn: Twist the brush head to unlock and prime it for dispensing.
2. Squeeze: Press the treatment directly onto your scalp—focusing on your hairline, crown, part line, or any thinning spots.
3. Brush: Work it in using the built-in massaging brush to boost circulation and deliver nutrients straight to the roots.
No rinsing required. Use once daily, morning or night, on wet or dry hair.
How long does it take to see visible results?
How long does it take to see visible results?
While individual results may vary, most users experience an instant refreshing and cooling sensation during Weeks 1–2 as the scalp resets. By Weeks 3–4, you'll notice less visible hair shedding during brushing or washing. With consistent daily use through Weeks 5–8+, baby hairs begin to appear around the hairline, leading to fuller, thicker, and healthier-looking hair.
Shipping & Returns
Shipping & Returns
Once your order is placed, we process and prepare it within 2 business days. Standard delivery typically takes 6–12 business days depending on your location.
We also back your purchase with our 60-Day Money-Back Guarantee: Try it completely worry-free! If our scalp serum doesn't leave you with less shedding and fuller-looking hair, simply contact us at info@coslora.com
See What Our Customers Achieved
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Lucía F. 34
Verified Purchase
This has become one of my favorite steps in my hair-care routine. I apply it directly to my scalp and gently massage it in with the brush. After several weeks, my hair looks healthier and feels stronger, and I’m seeing noticeably less hair falling out when I wash it.
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Natalia V. 29
Verified Purchase
For months I had been worried about how much hair I was losing every day. I decided to give Grow:Turn a try and stayed consistent with it. Over time, I noticed less shedding, a healthier-looking scalp, and my hair started to feel fuller. I’m definitely happy I tried it.
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Andrea L. 52
Verified Purchase
I started using this after noticing that my hair was becoming noticeably thinner. I didn’t want a complicated routine, so the brush applicator was perfect for me. With consistent use, my hair feels stronger and I can see little new hairs starting to appear.
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Valeria S. 32
Verified Purchase
My scalp has always been quite sensitive and I wanted something simple that I could add to my routine. Grow:Turn has been very easy to apply, and my scalp feels healthier and refreshed after using it. My hair also seems to be shedding much less than before.
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Marina C. 30
Verified Purchase
I’ve always struggled with thinning hair, especially around my hairline. I started using Grow:Turn as part of my daily scalp routine, and after a few weeks I began noticing tiny new hairs in areas that looked much thinner before. I’m really pleased with how my hair looks now.
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Elena P. 44
Verified Purchase
I honestly didn’t expect to notice a difference so quickly. My hair used to come out every time I washed or brushed it. After using Grow:Turn regularly, the shedding has noticeably decreased and my hair feels thicker and healthier overall.
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Carla G. 41
Verified Purchase
I bought this because my scalp was feeling dry and my hair was falling out more than I was comfortable with. After using it consistently, my scalp feels much more balanced and moisturized. I’ve also noticed less hair in my brush, which has made me very happy.I bought this because my scalp was feeling dry and my hair was falling out more than I was comfortable with. After using it consistently, my scalp feels much more balanced and moisturized. I’ve also noticed less hair in my brush, which has made me very happy.
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Patricia M. 48
Verified Purchase
My hair had started looking thinner around the front, and I was really worried about it. I’ve been using Grow:Turn regularly and I’m finally noticing small new hairs appearing in those areas. My scalp feels healthier too, and my hair looks fuller than before.
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Sofía R.36
Verified Purchase
What I like most about Grow:Turn is how easy it is to use. I massage it directly into my scalp and it only takes a few minutes. After several weeks, I noticed significantly less hair fall and my hair feels stronger from the roots.
How to use
Turn the Brush Head to on
Apply an Appropriate Amount to scalp daily
03.Turn the Brush Head to off
04.Gently Brush Along the Hair StrandsWhile Massaging the Scalp
The Coslora Advantage
Built-In Brush Applicator
No dropper, no mess — massage and apply in one motion.
Plant-Based Exosome Technology
Works with your scalp's biology, not against it.
Dermatologically Tested
Safe for sensitive, color-treated, and heat-styled hair.
✨ WHAT TO EXPECT: WEEK-BY-WEEK RESULTS
✅ Scalp Reset
Scalp feels cleaner, fresher and more comfortable
A refreshing, cooling sensation helps soothe the scalp
Lightweight hydration helps keep the scalp balanced
No major visible changes yet — your scalp is getting prepared for the journey ahead
✅ Less Visible Shedding
You may start noticing fewer loose hairs during washing or brushing
Hair roots can feel stronger and more supported
Your scalp continues to feel healthier and more balanced
Early improvements become easier to notice with consistent daily use
✅ New Growth Begins
Fine, baby hairs may start becoming noticeable around the hairline
Thinning-looking areas may begin to appear more filled in
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Hair can feel thicker, stronger and fuller-looking
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Consistent scalp care helps support a healthier environment for hair growth
✅ Fuller, Healthier-Looking Hair
New growth may become more visible in areas that look thinner
Hair can look fuller and feel more substantial
Your overall hair appearance may look thicker and healthier
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Continued daily use helps maintain a healthy scalp-care routine and support your results
See The Difference In Your Hair
With consistent use, COSLORA helps support stronger, fuller-looking hair while revitalizing the scalp and improving the appearance of thinning areas.
Fuller-Looking Hairline
Real results show reduced thinning around the crown and part line
Visible in Weeks
Most users notice a difference within 4–8 weeks of daily use.
Why Our Customers Keep Coming Back
Clinically tested results, backed by real user experience.
Customer satisfaction rate.
Repurchase rate.
Would recommend to a friend
*Based on a clinical study on hair thickness improvement, 20 participants.
POWERFUL KEY INGREDIENTS
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Caffeine — From coffee beans (seeds)
Energizes hair roots & scalp Known to penetrate the follicle and boost microcirculation in the scalp, which energizes hair roots and may help reduce shedding.
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Menthol
Relieves itchiness and calms the scalp. It triggers cold-sensing receptors on the skin, producing an instant cooling sensation that soothes irritation and scalp discomfort.
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Cynanchum Atratum Extract — Root Strengthening
Strengthens hair roots & calms scalpits official INCI definition lists it as an extract of the whole plant, but commercial and traditional-medicine versions are usually made specifically from the root (sold as “Radix Cynanchi Atrati”). Traditionally used to strengthen hair roots and calm the scalp.
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Lysimachia Foenum-graecum Extract
Nourishes follicles and supports thicker, stronger-looking hair. Extracted from the aerial parts (the herb itself) of this flowering plant in the primrose family, native to southern China. Traditionally used to nourish hair follicles and support thicker, stronger-looking hair.
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Houttuynia Cordata Extract — Anti-inflammatory & Scalp Balancer
Extract made from the leaves and stems (aerial parts) of Houttuynia cordata, an East Asian herb also called fish mint or heart leaf. Rich in flavonoids like quercetin and quercitrin, giving it anti-inflammatory and antibacterial properties that calm redness and irritation, and help balance oily scalp.
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Inula Britannica Flower Extract — Herbal Scalp Soother
Reduces redness, soothes sensitivity From the flowers of Inula britannica (British yellowhead), long used in East Asian herbal medicine. Has anti-inflammatory properties that reduce and soothe sensitive, reactive scalp.
Why choose COSLORA
COSLORA
OTHERS TYPICAL DROPPER
Nice texture, no sticky feeling, and the bottle is easy to use. So far I am happy with it.
This has become an easy step in my evening routine. The scalp massage with the serum feels especially nice.
I appreciate that it does not make my roots look oily. It feels light and refreshing.
Nice texture, no sticky feeling, and the bottle is easy to use. So far I am happy with it.
I have only been using it for a short time, but I like the application and the way it feels on my scalp. Will continue using it.
The serum is not heavy at all. I massage a small amount into my scalp and leave it in.
I was looking for something simple for my scalp routine. This has been pleasant to use and fits easily into my morning routine.
Very easy to apply and the texture is comfortable. My scalp feels fresh after using it.
I have been using this as part of my scalp-care routine and really like how lightweight it feels. It absorbs quickly and does not leave my hair greasy.
This has become an easy step in my evening routine. The scalp massage with the serum feels especially nice.
I appreciate that it does not make my roots look oily. It feels light and refreshing.
Nice texture, no sticky feeling, and the bottle is easy to use. So far I am happy with it.
I have only been using it for a short time, but I like the application and the way it feels on my scalp. Will continue using it.
The serum is not heavy at all. I massage a small amount into my scalp and leave it in.
I was looking for something simple for my scalp routine. This has been pleasant to use and fits easily into my morning routine.
Very easy to apply and the texture is comfortable. My scalp feels fresh after using it.
I have been using this as part of my scalp-care routine and really like how lightweight it feels. It absorbs quickly and does not leave my hair greasy.
This has become an easy step in my evening routine. The scalp massage with the serum feels especially nice.
I appreciate that it does not make my roots look oily. It feels light and refreshing.
Nice texture, no sticky feeling, and the bottle is easy to use. So far I am happy with it.
I have only been using it for a short time, but I like the application and the way it feels on my scalp i see my baby hair coming out. Will continue using it.
The serum is not heavy at all. I massage a small amount into my scalp and leave it in.
I was looking for something simple for my scalp routine. This has been pleasant to use and fits easily into my morning routine.
Very easy to apply and the texture is comfortable. My scalp feels fresh after using it.
I have been using this as part of my scalp-care routine and really like how lightweight it feels. It absorbs quickly and does not leave my hair greasy.
