The Truth About Mascara
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A study published in 2013 followed 130 students (average age around 23 years old) over the course of 12 months of mascara wear. Study participants ranked themselves as either daily mascara wearers or occasional users. No brand of mascara was specified but patients were asked whether their brand of choice was normal or waterproof. The patients also were asked to record the products they used to wash their mascara off at night, and any eye symptoms that they experienced (itching, redness, irritation, etc). 31% of all study participants had eye irritation during the course of the 12 month study, and 19% of all study participants had eyelash loss or fall out during the course of the 12 month study. There were several behaviors that were significantly more associated with eyelash loss (milphosis):
- 30% of daily mascara users experienced eyelash loss or fall out; only 13.6% of occasional mascara users reported lash loss
- 60% of daily mascara users experienced ocular irritation or discomfort (redness, itching, pain, etc) versus only 27% of occasional mascara wearers
- there was no increased incidence of eyelash fall out between waterproof and normal mascara
- using water to clean off waterproof mascara did increase the risk of lash fall out (26.6% of participants using this combo had lash loss)
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| We use mascara to help augment short of missing eyelashes, but studies do show that the more often you wear mascara, the more likely you are to experience eyelash fall out! via |
Looking at the data, it was clear that daily mascara use was associated with significantly higher risk for eyelash loss and eye irritation. Not surprisingly, participants wearing waterproof mascara that tried to clean their eyes with water based cleansers had a lot more lash loss, likely due to the excess mechanical rubbing the user had to use to clean away this more resistant product. If you prefer waterproof mascara, using specific eye makeup removers or oil based cleansers will cause a lot loss irritation and lash trauma, and could help save you from excessive eyelash loss.
But How Often Should I Really Be Tossing My Mascara?
This is one that many people seem to be unsure about and a quick internet search of beauty websites will have some people dangerously espousing using their mascaras for 6 months or even a year at a time. Doctors recommend 3 months as the proper lifespan for mascara, and this study explains why in very clear numbers. The study followed 40 women aged 18 to 39 who were randomly assigned to two different brands of simple (nonwaterproof) mascara with daily use. After 3 months, the mascara tubes used were collected and cultured for microorganisms. Over one third (36.4%) of the collected tubes were contaminated after 3 months, with the most common isolated microbes being Staphylococcus epidermis, Streptococcus, and even some species of fungus (really scary to have around the eyes because fungal eye infections can be so difficult to treat!!). Based on this study, researchers recommend that 3 months is the maximum lifespan to consider for a tube of mascara, but further data may suggest we should dispose of it more frequently in such high risk patients are contact lens wearers or the immune compromised due to the high risk of contamination in that time.
Take Home
Mascara is one of the most popular makeup products on the market, but it carries many real associated risk factors. Making sure that you dispose of your mascara regularly (at minimum every 3 months!) and using the right cleaning products with your mascara type can help reduce your risk for eye irritation and eyelash loss. But if you are someone that suffers from chronic eye infections, chronic redness, dryness, or irritation to your eyes or eyelid skin, or constant eyelash fall out, you may want to skip mascara all together to give your eyes the best chance for a healthy ocular surface.
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