Our plant-derived hair root touch-up stick (black) is carefully formulated with petrolatum and hydrogenated polyisobutene. It is designed for long-lasting coverage of gray hair and thinning hair. It's incredibly easy to use: simply remove the cap and apply the product to the desired hair root area. It's waterproof and sweatproof, providing long-lasting, fade-resistant coverage for all-day protection. It's easy to apply, allows for touch-ups anytime, and provides quick coverage.