Cosmetic shelf life —Part One

Eyeliner
The eyeliner is relatively long-lived and can survive the "destruction" of one year. Because the eyeliner is used up and then cut, it is new and does not cause too much secondary pollution, so it can be kept for about 1 year. If it is, eyeliner and eyeliner, then it can only last for about 6 months to 8 months. Because when the brush is used continuously, it is easy to cause secondary pollution and shorten the shelf life of the product.
Mascara
Mascara is one of the most susceptible cosmetics, because when mascara is applied, we will continue to push and pull, so that the bacteria in the air will enter the mascara as the movement moves. Its shelf life. Therefore, the life of a mascara is only 3-6 months.
Powdered product
Powdered products such as pressed powder, blush, and eye shadow have a life span of 1-2 years. Because powdered products last longer than other states of cosmetics. If the color and taste of the product have changed, then it is proved that the powdered product has expired and should be stopped immediately.