mCaffeine is a personal care brand that offers caffeine-infused skincare and haircare products. The company aims to provide natural, cruelty-free, and sustainable products to consumers. Their products include face washes, face scrubs, moisturizers, shampoos, and hair serums, all of which contain caffeine as a primary ingredient, which is believed to provide various benefits to the skin and hair. mCaffeine sells its products online through various e-commerce platforms and its official website.