Before and after trials serve as invaluable tools for evaluating the efficacy of cosmetic products. However, as Dermaclaim explores, their reliability and integrity depend on the strict adherence to standardized practices that not only benefits the industry but also empowers consumers
The use of before and after data in cosmetic product evaluations has long been a cornerstone of marketing and consumer decision-making, both for percentages and images. Images serve as visual subjective testimonials, demonstrating the potential transformative effects of skin care and cosmetic products, whereas the figures and percentages are useful to objectively show the improvement of the specific assessed biomarkers and validate the marketing claims regarding to before and after (B&A) status.
However, controversies surrounding misleading claims and inconsistent representations have raised concerns about the reliability and credibility of such comparisons. To maintain accuracy and reliability, understanding and implementing best practices for conducting before and after clinical trials is imperative.
Moreover, establishing common criteria among the clinical research organizations (CRO) to validate the corresponding claims, would be useful to assure all the parties adhere to the same rules, fostering transparency and building trust among consumers.
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