Rachel Eggie on Instagram: "Brunette looking to go lighter but low maintence! I’m a brunette covering grays every 6 weeks, and throwing in highlights every 3-6 months. I'm all about that low-maintenance life, aiming for a look that slays as it grows out. Brunettes, you don't need highlights up to the roots for that lighter feel. When you look in the mirror, it's all about the lightness in the face-framing and the beautiful bottom layers. In today's economy, we're all about spending…