Best Hair Salons in O'Fallon, IL
The 10 best-rated hair salons in O'Fallon, IL average 4.9★ on Google across 4,110 reviews. Tammy Kiefer|Southern Serenity Salon and Spa has the top rating (5.0★), and European Wax Center has the most reviews (1,148). Updated October 26, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (4,110 reviews combined) and currently operating. Request a call back and the company will phone you directly.
How we pick hair salons in O'Fallon
We scan Google Maps for hair salon listings in and around O'Fallon, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated hair salon in O'Fallon?
Tammy Kiefer|Southern Serenity Salon and Spa has the highest Google rating on our O'Fallon list: 5.0 out of 5 from 55 reviews (as of October 26, 2026).
Which hair salon in O'Fallon has the most reviews?
European Wax Center has the most Google reviews among the companies listed here: 1,148, with a 4.9★ average.
How are these hair salons chosen?
Only open O'Fallon-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.