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Powered by Nano Exosome Technology. The same formula Korean scalp clinics charge $700 per session for — Now available in a bottle with a built-in precision brush.
Helps Minimize Hair Shedding
Regrow Bald Spots
Stronger Healthier Roots
Lightweight, Non-Greasy
Impossible de charger la disponibilité du service de retrait
Discover the next generation of Korean haircare. The Yoki Hair Growth Serum is powered by Nano Exosomes, Caffeine, and Tocopherol (Vitamin E)to support fuller, thicker-looking hair while helping revive the scalp. Inspired by the latest K-beauty scalp treatments trending in Korea, this lightweight serum targets thinning areas, weak hair follicles, and slow growth.
Yoki Skin Hair Growth Serum is a leave-in scalp treatment designed to be applied directly to the hairline, part line, and thinning areas using our easy-to-use brush applicator—so the formula reaches the roots where it matters most. The lightweight serum absorbs quickly with no greasy residue, delivering a fresh, clean feel while working continuously to support fuller, thicker-looking hair.
Nano Exosomes
A cutting-edge ingredient trending in Korean haircare that helps support scalp renewal and healthier-looking hair follicles, encouraging stronger hair growth.
Caffeine
Known for stimulating the scalp and helping energize hair follicles to support thicker, fuller-looking strands.
Tocopherol (Vitamin E)
A powerful antioxidant that helps nourish the scalp, support hair strength, and protect against environmental stress that can weaken hair.
We process all orders within 1 to 2 business days after payment. The average delivery time is 6 to 10 business days. Every order includes tracking, so you always know where your package is.
If you are not satisfied and would like to request a return or refund, please contact us by email: info@cassarello.com"
“I started using this on my hairline and crown and within a few weeks my hair already looked thicker. It’s lightweight, doesn’t make my hair greasy, and my scalp feels healthier than it has in years!”
See the stunning transformations our products deliver — real results from real customers.
Stronger Roots
Hairline Regrowth
Scalp Renewal
Thicker Strands
Stronger Roots
Hairline Regrowth
Scalp Renewal
Thicker Strands
Stronger Roots
Hairline Regrowth
Scalp Renewal
Thicker Strands
Stronger Roots
Hairline Regrowth
Scalp Renewal
Thicker Strands
Stronger Roots
Hairline Regrowth
Scalp Renewal
Thicker Strands
Stronger Roots
Hairline Regrowth
Scalp Renewal
Thicker Strands
Stronger Roots
Hairline Regrowth
Scalp Renewal
Thicker Strands
Stronger Roots
Hairline Regrowth
Scalp Renewal
Thicker Strands
Stronger Roots
Hairline Regrowth
Scalp Renewal
Thicker Strands
Stronger Roots
Hairline Regrowth
Scalp Renewal
Thicker Strands
87%
Hair feels stronger at the scalp and more resilient with consistent use.
89%
Thinning areas begin to appear denser as the hairline looks more filled in.
92%
The scalp feels more balanced and nourished, supporting healthier-looking hair growth.
*Based on 3,761+ Customer Reviews
“I started noticing thinning around my hairline and it was really affecting my confidence. After using the Yoki Hair Growth Serum for about a month, I’m already seeing small baby hairs coming back and my hairline looks much fuller. I also love the brush applicator because it makes it super easy to apply directly to my scalp.”
“I’ve tried so many hair growth oils and treatments, but they always made my hair feel heavy and oily. This serum is completely different—it absorbs quickly and the brush applicator helps me get the product right where I need it. After a few weeks my hair feels stronger at the roots and my part line already looks thicker.”
“My crown area had been thinning for a while and I was getting really worried. I started using this serum twice a day and within a few weeks I noticed my scalp looked healthier and my hair felt stronger overall. Now I’m starting to see new growth and my hair finally looks fuller again.”
For best results, apply the serum once or twice daily directly to the scalp. Consistent use helps support healthier-looking hair and fuller density over time.
The built-in brush applicator helps distribute the serum evenly across the scalp while gently massaging it into the roots. This makes application easier and ensures the product reaches thinning areas like the hairline and crown.
Many users notice a healthier-feeling scalp within 1–2 weeks. Fuller-looking hair and visible improvement in thinning areas typically appear after 4–8 weekswith consistent use.
No. The serum is designed to be lightweight and fast-absorbing, so it nourishes the scalp without leaving heavy residue or buildup.
Yes. You can easily incorporate it into your routine alongside your shampoo, conditioner, and styling products. Simply apply the serum to your scalp and allow it to absorb before styling your hair.
