According to some, mascara is the key to makeup, the fundamental element and it is the only makeup that is also used as the only element for a light and quick makeup. The brush can be made of silicone or more commonly as a brush and with longer or shorter bristles and different shapes. The colors are many: from the classic black to the brightest colors such as orange, red or teal, the most used of these are brown and blue. There are different types on the market: lengthening, volumizing, curving; many are also enriched with vitamins, even resistant to water (waterproof) and not.