Venom
Urban Decay 24/7 Glide-On Lip Pencil
Urban Decay Venom is a moderately cool-toned, medium-dark berry with a matte finish. It is a permanent lip liner that retails for $20.00 and contains 0.04 oz.
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Venom 24/7 Glide-On Lip Pencil ($19.00 for 0.04 oz.) is described as a "rich plum." It's a reddened berry with a matte finish and cool undertones. It was mostly opaque applied to lips, and Venom lasted a solid seven hours when I wore it.  MAC Beet is brighter, redder. See comparison swatches.
Venom
PPermanent. $20.00.
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A creamy, 24-hour wear lip pencil that lines and primes lips. Get primed and ready with Urban Decay’s 24/7 Glide-On Lip Pencil. This long-lasting, waterproof liner glides on smoothly to prime and define lips for long-lasting lip color and clean lines. It features a wide array of shades that coordinate with Vice Lipstick. Use 24/7 Lip Pencil to fill in your lips completely, prime them for lipstick or gloss, and lock onto color. It even prevents color from feathering out of bounds. The waterproof formula glides on smoothly, stays creamy, and defines your lips with gorgeous color, while never feeling dry or cakey. Formulated with moisturizing vitamin E, jojoba oil, and cottonseed oil, it nourishes lips every time you apply.