RE BONDING
Inside the Bond – Why TOSTEA Works
"TOSTEA: The Science at Its Core"
Step 1:
Why Does Hair Get Damaged?
Daily exposure to heat, chemicals, and UV rays breaks the amino acid bonds inside the hair, disrupting its internal structure.
As these bonds break, hair becomes dry, rough, and loses its shape and manageability.
Step 2:
How Does TOSTEA Work?
TOSTEA actively “seeks out” the broken ends of amino acids and reconnects them with new molecular links.
As a result, the hair transforms from within—becoming softer, yet stronger at its core.
"Comparative Study & Lab Report"
Hold on Tight
Before and After
The Power of TOSTEA Begins
​
Unlike conventional treatments
that coat the surface,
TOSTEA goes deeper—right into
the heart of your hair.
It intelligently detects the fractured
ends of amino acid chains
and rebuilds them with precision molecular links.
This isn’t just surface shine.
It’s deep structural renewal.
Hair becomes velvety-soft to the touch,
yet resilient from its very core.
“From Lab to Life — The Discovery of TOSTEA”
In a lab at Kobe University, a pioneering team of researchers uncovered a unique molecule that mimics and rebuilds broken amino acid bonds.
This discovery led to the birth of TOSTEA —
a science-backed ingredient that
strengthens hair from the inside out.
A breakthrough born from Japanese precision
and global ambition.