Integrating Chemical Analysis and Popular Knowledge: Is There Caffeine in Coffee Bomb Shampoo?

    May 2026 in “ Revista Iluminart ”
    Danielle Tomaz Oliveira, Thiago dos Santos Almeida, Ingrid Nunes Derossi
    Studysummary In this study, researchers found that adding coffee grounds to neutral shampoo, a popular DIY trend, resulted in peak caffeine extraction after seven days, with concentrations surpassing those in commercial products, suggesting educational potential for chemistry classes.
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