Many women withfrizzy hairswear by theirkeratin treatment.

EvenMeghan Markle used keratin treatmentsto tame her locks, reportedly.

Sometimes the luxurious keratin service includesliquid gold.

Hair before-and-after keratin treatment comparison

The variety of different names can be confusing because not all services are created equal.

Here are several more considerations before getting the expensive treatment, which normally happens at a salon.

The time commitment for the treatment depends onyour hairbut you should typically allow from two to four hours.

Woman gripping shiny hair

Factors that affect the software time include your hair’s texture, length, and thickness.

Expect to keep your hands off your newly shiny locks for at least three days.

Before taking the plunge, know what level of risk you’re willing to accept for smoother locks.

Even formaldehyde-free products may contain traces of the chemical.