CRAFT FAIR The Effect of the Cost of the Brand of Mechanical Eyeliner on Resistance to Artificial Tears * * * Can You Resist It? Morgan Pruett, Bluestone.

CRAFTFAIR

The Effect of the Cost of the Brand of Mechanical

Eyeliner on Resistance to Artificial Tears

* * *

Can You Resist It?

Morgan Pruett, BluestoneBetty Brown, Randolph-Henry

Elizabeth St. John, Randolph-Henry

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Overview

• Background• Research Question• Hypothesis• Materials• Methodology• Results• Conclusion• Acknowledgements

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Background

• Waterproof eyeliner was created for women who:

swim, exercise heavily, or cry

• People have found that eyeliner smudges and smears

• Expensive brands of eyeliners claim they are more waterproof than cheaper brands

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Research Question

Do more expensive brands of waterproof eyeliner resist

artificial tears more effectively than those at a

cheaper price?

$1 > $20

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Hypotheses

• If a more expensive brand of eyeliner is used, it will be more resistant to artificial tears than a less expensive brand.

• If a more expensive brand of eyeliner is used, it will be just as resistant to artificial tears as a less expensive brand.

Research Hypothesis

Null Hypothesis

H1 : µ > eyeliner washed away

H0 : µ = eyeliner washed away

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Materials

• Synthetic Silica Gel Eye Permanent Makeup Practice Skin

• Visine Artificial Tears• Revlon: ColorStay Pencil

Least expensive• L’Oreal Paris: Infallible Never Fail Eyeliner

2nd least expensive• Sephora: Retractable Waterproof Eyeliner

2nd most expensive• Stilla: Smudge Stick Liner

• Most expensive

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Materials II

• Ohaus Adventurer Pro Analytical and Precision Balance

• Digital Camera• Handkerchiefs• Rubber protective gloves• Various forms of timers• Antibacterial hand soap• Paper towels

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Methodology

Step 1

• Obtain Synthetic Skin• Cut individual eye sections out• Select five pieces of skin• Wash each eye and pat skin dry• Weigh each piece of skin• Apply eyeliner around eye area on the

skin

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Methodology II

Step 2• Photograph eye area and weigh skin • Allow eyeliner to dry for five minutes• Apply five drops of artificial tears• Leave drops on skin for five minutes• Angle skin for 20 seconds to disperse tears • Photograph eye area• After five minute period, dab tears away

with a handkerchief for 20 seconds

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Methodology III

Step 3

• Photograph eye area and weigh skin • Repeat steps on four remaining eyes• Repeat steps using the three remaining

eyeliners• Transfer data from the data collection chart to

the data analysis chart• Calculate average percentage of eyeliner

washed away

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Results

EyelinerAverage %

Washed Away

Stilla: Smudge Stick Liner 61.02

Sephora: Retractable Waterproof Eyeliner

62.19

L’Oreal Paris: Infallible Never Fail Eyeliner

45.29

Revlon: ColorStay Pencil 34.61

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Results II

Stilla: Smudge Stick Liner Sephora: Retractable Waterproof Eyeliner

L’Oreal Paris: Infallible Never Fail Eyeliner

Revlon: ColorStay Pencil

Before After Before After

Before After Before After

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Results III

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Results IV

Stilla: Smudge Stick Liner

Sephora: Retractable

Waterproof Eyeliner

L’Oreal Paris: Infallible Never Fail

Eyeliner

vs. Revlon ColorStay Pencil

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Conclusion

• Both cheaper brands, Revlon and L’Oreal Paris, resisted artificial tears better than the two more expensive brands, Stilla and Sephora

• We hope to save buyers money by proving more expensive brands do not resist artificial tears more efficiently than cheaper brands

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References

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References

How Waterproof Eyeliners are Tested - Evaluating Best Waterproof Eyeliners - Good Housekeeping. (n.d.). Diet Plans - Healthy

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_Best_Long_Lasting_Waterproof_Eye_Liner

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Acknowledgements

We would like to thank:

• Deborah Hamilton• Jennifer Ward• Martha Wilson• Joy Hurt• Patrizia Humphreys • Governors School of Southside Virginia• Southside Virginia Community College