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what is the active ingredient + what does it do?Updated 9 months ago

the active ingredient in pro smooth over frizz-fighting treatment is glyoxylic acidglyoxylic acid is an organic acid compound that restructures keratin in the hair cortex to smooth while increasing shine + manageability of all hair types. when heat is applied to the hair, the glyoxylic acid creates a hydrophobic barrier—think of it like a raincoat for your strands—temporarily blocking humidity for the smoothest results.

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