A revolution in hair growth technology by haircare expert
From the salon chair, to the laboratory — you know and trust Carolyn Aronson as the founder of It's A 10 Haircare. With a mission to cut hair growth time in half, Carolyn's vision for the haircare industry is propelling F.A.S.T. to achieving results never before seen in the industry.
Introducing the New Era of F.A.S.T. – Powered by It’s a 10® Haircare
We’re thrilled to announce the next chapter for Nisim®, the globally recognized haircare brand with over 30 years of clinically-backed innovation. Now under the visionary leadership of Carolyn Aronson, Founder and CEO of It’s a 10® Haircare, and Jeff Aronson, President of It’s a 10®, Nisim® is poised for a bold reintroduction to the world.
At the heart of this relaunch are two powerhouse lines: F.A.S.T. and Arise—each backed by science and reimagined for today’s hair growth needs.
F.A.S.T. (Fortified Amino Scalp Therapy) is unlike anything else on the market. Powered by a proprietary blend of amino acids, vitamins, and herbal extracts, it’s clinically proven to accelerate hair growth like never before. Our advanced micro-emulsion technology ensures deep penetration of key nutrients—clinically proven to help grow your hair 99% faster!
“This is the first brand I’ve found with truly differentiated products and clinical results to back them up,” says Carolyn Aronson. “Nisim® is the future of performance-driven haircare.”
Get ready for a complete brand transformation—new packaging, fresh imagery, and groundbreaking formulations designed to disrupt the hair growth category.
F.A.S.T. Haircare's breakthrough formulas are designed to work for everyone – helping to grow all hair types, from 4C coils to the finest blonde strands. Whether experiencing thinning related to hormonal changes, menopause, post-Covid shifts in hair health, or medical treatments, F.A.S.T. offers a solution for anyone seeking stronger, healthier growth. It also supports those looking to boost confidence and refresh their style, including individuals who wear extensions or experience breakage from temporary styling, helping restore and protect the health of their natural hair.
Grow your hair
Explore our collection of hair growth formulas.
