You might be looking forward to your next hair-coloring sesh like it's Christmas morning, but don't overdo it. Wait at least five or six weeks between coloring services to keep your hair healthy. At-home tinted glosses and root touch-up products can keep your color looking fresh for weeks and weeks. When it's time to color again, you or your stylist should touch up only the roots -- no double-processing your ends, especially if you bleach.

Even if you're growing out your hair, getting a quick trim with each touch-up is ideal. If you're scissor-shy, ask your stylist to "dust" the ends of your hair, which involves trimming a quarter-inch or less to eliminate split ends.

Remember: Healthy hair holds onto color better than unhealthy hair. The better you care for your hair, the less often you'll be hankering for a color service.

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