The concept of crying to grow longer lashes is a longstanding beauty myth that’s been floating around for absolutely years. People are curious: If someone has naturally long lashes, does that mean they cry a lot? So let’s take a look at the science and debunk the myths.
The Origins of the Myth
It’s probably a combination of observations:
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Tears will momentarily cover the surface of the lashes and make them look darker and glossier.
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Increased blood flow during weeping may give lashes a plumper appearance
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Thicker lashes can be reported in some following emotional times
But there’s no evidence that tears prompt lash growth.
Here’s What Science Says on the Topic of Eyelash Growth
Eyelashes grow in cycles:
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Anagen (Growth Phase): 30 to 45 days of active growth
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Catagen (Transition Phase): 2-3 weeks during which growth slows down
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Telogen (Resting Phase): Lashes will gradually fall out
This cycle is controlled by:
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Genetics (primary factor)
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Hormones
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Overall health
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Nutrition
Tears are a mixture of water, salt and proteins – none of which will have any effect on hair follicles or hair growth cycles.
Why the Myth Persists
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Short-term Hues: Tinted shades of lashes look darker and defined.
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Placebo Effect: Some people may feel changes occur because they cried
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Anecdotal: Some people said they’re had lash growth during their emotional periods
What Actually Helps Lashes Grow
If you’re looking for longer lashes, go for these foolproof methods instead:
✔ Lash serums (with peptides or prostaglandins)
✔ Castor oil (possibly enhancing the health of the follicles)
✔ Balanced diet (containing biotin and protein)
✔ Gentle care (avoid rubbing/over-curling)
The Bottom Line
It may feel like crying is helping your lashes grow on a temporary basis by moisturizing and increasing blood flow to the lashes, but it’s not. Long lashes, for the most part, are a matter of genetics—not necessarily a sign of how frequently the person with the lashes cries.
If you are looking for longer lashes, concentrate on the science-backed methods of growth and not on tears. Great lashes are kept not in casual crying.
