Peixi's favorite everyday eyebrow pencil is the Ex Brow Pencil Refill Cartridge in Raven color by Surratt Beauty. This pencil stands out for its super fine tip, allowing for precise hair-like strokes. Peixi uses it to outline and fill in her brows, achieving a natural look effortlessly. The pencil also comes with a small and firm spoolie, perfect for brushing out the brows. Overall, Peixi finds this product super simple and quick to use, making it ideal for everyday use. However, it's important to note that the transcription does not mention any potential drawbacks of the product.