'Cotton is considered the world's dirtiest crop due to its heavy use of pesticides. Worldwide, cotton covers 2.5% of the cultivated land and cotton growers use 16% of the world's pesticides. Eight of the top 10 pesticides most commonly used on U.S. conventionally produced cotton were classified as moderately to highly hazardous by the World Health Organization.
Only one in four women consider the expiration date of her cosmetic products, according to dailymail.co.uk. Other women put their health at risk by using cosmetics for several years, even if they start to smell funny or discolor.
At some point, aging cosmetics lose their effectiveness to fight bacteria no matter how careful you are when using it. But there are steps we can take to extend the shelf life of our cosmetics and protect ourselves from infections, like pink eye and skin breakouts.