"Amazing product. 2nd time repurchasing the hair serum after buying the caldera lab hair system the first time. At 35 jus started to experience youthfulness leaving the hair this product has halted thinning and grays. Restored and rejuvinated a healthy look and after consistency as started to promote new growth where a small bald/thinning patch was occurring. Amazing product. If you dont got money for the whole hair kit. This product is very much a stand alone product if need be and does wonders. Growth takes a lil time but literally one application is all it takes to see a difference visually in the health of your hair. -Will"
The Hair Serum
Fortifying Scalp & Hair Serum
An advanced, anti-thinning scalp serum that provides targeted nutrients and skincare-level treatment to the scalp, hydrating, balancing scalp microbiome and supporting natural hair growth cycles for stronger, fuller and thicker-looking hair. Delivers 1 billion plant-based exosomes per dropper. Absorbs quickly for all hair lengths and textures. Fragrance-free.
Proven to reduce hair fall, strengthen hair and soothe the scalp.
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100%
Agree hair looks fuller and thicker
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96%
Agree hair appears to have less shedding
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98%
Agree hair feels stronger
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2.3x
Reduction in visible hair fall
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28%
Improvement in visible cuticle damage.
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Dermatologically tested
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100%
Agree hair looks fuller and thicker
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96%
Agree hair appears to have less shedding
-
98%
Agree hair feels stronger
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2.3x
Reduction in visible hair fall
-
28%
Improvement in visible cuticle damage.
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Dermatologically tested
How to Use The Hair Serum
How to Use The Hair Serum
Apply 1-2 pipettes to dry or damp scalp. Part hair in the middle and on both sides, apply the serum directly to the scalp and gently massage in with fingertips. Leave in, do not rinse.
For best results, use as part of The Hair Care System.
The Cornerstone of our Anti-Thinning Hair Care Routine
The Cornerstone of our Anti-Thinning Hair Care Routine
Men’s scalp have higher oil production and frequent build up and scalp irritation. By balancing the scalp microbiome, The Hair Serum creates an optimal environment for healthy hair growth. It is formulated with plant exosomes, highly concentrated nanovesicles that deliver bioactive nutrients to the scalp. With continued use after 12 weeks, hair is visibly thicker and fuller, and clinically proven to experience less hair fall out from breakage.
UNRIVALED INGREDIENTS
Every ingredient is carefully selected for its nutrient profile and backed by research to work for men’s skin and hair. Plant-based and 100% fair trade.
Supports scalp microbiome, natural growth cycles and hair strength. Comprised of plant exosomes, adaptogenic botanicals, caffeine and essential minerals
ExoDense™ Complex
Supports scalp microbiome, natural growth cycles and hair strength. Comprised of plant exosomes, adaptogenic botanicals, caffeine and essential minerals
Helps improve hair resilience and reduce hair thinning by strengthening the hair shaft
Biomimetic Peptides
Helps improve hair resilience and reduce hair thinning by strengthening the hair shaft
Fortify hair fibers and nourish the scalp
Amino Acids
Fortify hair fibers and nourish the scalp
Support skin regeneration and help protect against external aggressors
Plant Stem Cells
Support skin regeneration and help protect against external aggressors
PROVEN BY SCIENCE. TRUSTED BY MEN
FAQS
It supports a balanced, hydrated scalp and reinforces hair fibers, reducing breakage and promoting a visibly thicker, stronger appearance.
Yes, its lightweight, fast-absorbing formula is perfect for daily use without causing buildup, ensuring ongoing scalp and hair support.
Absolutely. Whether you have short, long, or in-between hair, the fast-absorbing, non-greasy formula is designed for everyone. It seamlessly fits into any routine without leaving sticky residue.
Yes. Our serum is 100% color safe and sulfate-free, meaning it won’t strip or wash out your hair color. Crafted with high-performance ingredients, including plant exosomes & botanicals, to protect and support your hair’s vibrancy while nourishing the scalp.
Our formula was designed to help soothe the scalp, with plant-based, non-irritating ingredients. A clinical study and an irritancy study confirms product safety. If you are concerned about irritation, try a patch test first on skin.
Transform your skin and hair health.
Transform your skin and hair health.
CUSTOMER REVIEWS
Overall rating: 4.7916665 / 5 from 24 reviews.
AI Generated Review Summary
Summary topics
Review topics: ["hair","smell","results","difference","shine","serum"].
Review highlights
Reviews
Have loved this product - feels like a reset for my scalp
"My scalp had been feeling really dry and in need of nourishment. The scalp serum did the trick and after a month my hair and scalp feel a lot better. It also has helped with thickness and texture."
Hair Serum
"I have been using it for a month, my hair seems to be improving but it is really hard to tell this early. I am also using other products along with it."
"I still have Hope, but I have been using it twice daily for three weeks now and unfortunately I don’t see any improvement. The eye serum doesn’t do anything for my bags under my eyes so honestly, I will give it another month. Ok"
Works great!
"Works great!"
"Fantastic product. Like all of their products, this serum delivers an all natural powerful punch. Need to be consistent, but my hair is definitely looking healthier"
Very good
"Nice"
Really enjoying all the products.
"Really enjoying all the products. Will for sure be a returning customer."
Really impressed with this hair
"Really impressed with this hair serum. I can genuinely feel and see it working. My hair looks healthier and fuller after using it, and it doesn’t leave a heavy or greasy residue. It's part of the post-shower routine and will definitely buy again."
I like it seems to
"I like it seems to be working well"