Revitalash Advanced Eyebrow Conditioner is a clinically-proven product that helps to strengthen, condition, and thicken eyebrows. It is formulated with a proprietary blend of peptides, biotin, and green tea extract that work together to promote eyebrow growth. Revitalash Advanced Eyebrow Conditioner is also free of parabens, phthalates, and fragrance, making it safe for sensitive skin.