Q: What magnification should a makeup mirror have?
A: Standard for general makeup, and higher magnification for detail work like brows or lashes. Very high magnification is harder to use for anything full-face.
Q: How do you clean a compact mirror?
A: A soft cloth and a little glass cleaner sprayed onto the cloth rather than the mirror, so nothing seeps behind the edge and marks the backing.
Q: Is a compact mirror worth carrying?
A: For touch-ups away from a proper light, yes. A compact gives you a fixed, close view that a phone camera does not.