Unflawed
Part of speech: adjective
Definition: Not flawed.
Flawless
Part of speech: adjective
Definition: Perfect; without flaws, shortcomings or defects.
Example sentence: Mascara can definitely be one of the hardest parts of the beauty routine. Nothing is worse than when you are applying your mascara, and you've worked an hour on the most flawless blended eye shadow, and with one slip of the finger, your mascara is all over your face.