And now, we can add trichologists and hair experts to the ingredient’s growing fan base.
Meet the Experts
What Is Hyaluronic Acid?
As a humectant, it can retain moisture and bind approximately 1000 times its weight in water.
Liz Desouza for Byrdie
Depending on the hyaluronic acid hair product you are using, time will vary.
Some products will require that you leave them in your hair for only a few minutes before rinsing out.
Others can be applied and left in.
It’s best to check product instructions.
