something lurking at the bottom of your makeup bag, and it’s
to Mayo Clinic Health System Dermatology physician assistant
Mary Duh, old and expired cosmetics harbor dangerous amounts
of bacteria. This not only directly affects the individual
wearing the makeup, but it also can affect anyone they come in
can be infected with bacteria after only one use. The
bacterium builds up over time and can cause harm to a person’s
skin, eyes, lips and overall health," says Duh.
"When makeup gets old, it starts to break down, and this
can cause issues from irritation and inflammation to rashes,
blisters, eye infections and pink eye."
cases, women have even been temporarily or permanently blinded
by an eye cosmetic, according to the Food and Drug
offers these rules for healthy cosmetic use:
through your old makeup for chemical changes, including: a
rancid odor, color change, changes in texture or consistency,
and makeup becoming crusty/clumpy.
Protect your skin from the sun. Most foundations have some
level of SPF. Expired makeup is less effective when protecting
against the sun, which can cause painful and dangerous skin
Never share cosmetics. Cross contamination occurs when two or
more people use the same application tools and makeup. The
main danger with sharing makeup is passing an infection or
your hands and cosmetic tools before applying eye cosmetics.
The bacteria on your hands and brushes increase the chance for
an eye infection or allergic reaction.
store cosmetics at temperatures above 85 degrees Fahrenheit.
Cosmetics held for long periods in hot cars, for example, are
more at risk of preservatives in the makeup weakening.
applying or removing eye cosmetics, be careful not to scratch
the eyeball or some other sensitive area of the eye. Scratches
can cause infections and sight complications.
makeup when you buy it. Write the month and year on the
package with a permanent marker. If you’re not sure when to
toss old makeup, six months is a good rule of thumb.