FROM waxing to threading, there are a variety of ways to shape your brows.One woman’s budget beauty buy may be the key to perfecting your arches.4TikTok user Darlin showed her followers the budget-friendly brow gel she swears byCredit: Tiktok/xo.xo.darlin 4The beauty pro demonstrated how quickly the gel worked to tint her eyebrowsCredit: Tiktok/xo.xo.darlin In her…