When it comes to thanking a makeup artist, there are a few things you can do to show your appreciation. First and foremost, be sure to express your gratitude verbally. A simple thank you goes a long way in letting your makeup artist know that you appreciate their work. You can also consider tipping your makeup artist if you had a particularly good experience. Tipping is always up to the individual, but it's certainly a nice gesture if you're able. Finally, take the time to write a review or testimonial for your makeup artist if you enjoyed their work. This helps other potential clients understand what they can expect from working with this particular artist, and it lets the artist know that their efforts are appreciated.