Description
The Long-Lasting Claim Test for color cosmetics is designed to evaluate a product’s ability to maintain its performance, appearance, and coverage over an extended period of wear. This test is essential for substantiating claims such as “long-lasting,” “all-day wear,” or “24-hour wear” across products like foundations, lipsticks, eyeliners, and blushes.
Under controlled conditions, the product is applied and monitored over a set duration, typically 8 to 24 hours. Clinical assessments include checks for color fading, smudging, flaking, or product breakdown. Both visual evaluation and instrumental measurements are used to ensure accuracy and repeatability.
This test helps validate product longevity, supports regulatory and marketing claims, and strengthens consumer confidence by proving that the cosmetic maintains its intended effect throughout the day.


















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