Nano- and microparticles are used in the cosmetics industry to enhance product performance and meet the high expectations of consumers. Particle size affects different properties such as skin feel, texture, color or UV absorbance. Moreover, the European Commission has issued a regulation to guarantee the safety of cosmetic products, making it necessary to characterize raw materials for cosmetic industry and final products.
Here we demonstrate that the PSA is a well-suited tool for characterizing different cosmetic products in terms of particle size distribution
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