To scientifically validate the “waterproof” or “water-resistant” claims made on cosmetic product labels.

To assess the product’s performance and durability when exposed to water, sweat, or humidity.

To evaluate the retention of color, texture, and coverage after water exposure.

To ensure regulatory compliance and meet global standards for claim substantiation.

To enhance consumer trust by demonstrating proven, long-lasting wear under real-life conditions.

To support product differentiation and marketing with evidence-based performance data.