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What Makes Mascara Waterproof?

With tons of mascara out there, both waterproof and not, I always assumed personal preference was the driving force behind purchases. I have a pal who purposely stocks a water-repellent tube during the cold months (and for sappy movie dates) whereas others wear only waterproof even on happy days. So, what's the big difference?

Well, as I embarked on my latest research mission, I hoped for an easy answer . . . but no dice. It seems likely that what makes makeup waterproof is the presence of fats, oils, or waxes, as all three of those are hydrophobic — that is, resistant to moisture. (It makes sense that cosmetic companies would keep exact mixtures a secret, as competitors would want to include whatever worked best.)

But speculation is never that satisfying for Detective Bella so next I set out to compare the ingredients of one of my favorite mascaras, Diorshow vs. Diorshow Waterproof. Get my results when you

.

Tackling just the first five ingredients in each product, I found a few differences. In its top five ingredients alone, the waterproof version had three waxes (beeswax, candelilla wax, and carnauba wax), water, and isododecane, a mixture of highly branched isoparaffins. However, the regular Diorshow had only one wax in the top five (beeswax). In this case, speculation proves true: Wax helps this waterproof mascara stand the test of time.

Source

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Join The Conversation
alilitv alilitv 6 years
i akso like waterproof. it's safe :) i can touch my eyes and don't think that maskara will go out :) the best waterproof mascara i ever used is maybelline. and it can be removed easily
danixk danixk 6 years
never knew this! thanks for the post!
almostloli almostloli 6 years
bella, make more mascara comparisons :D i'm addicted with mascaras! i keep on trying new ones, both high end ones and drugstore brands
almostloli almostloli 6 years
bella, make more mascara comparisons :Di'm addicted with mascaras! i keep on trying new ones, both high end ones and drugstore brands
Autumns_Elegy Autumns_Elegy 6 years
I always wear waterproof mascara. It comes off easily enough with me, just normal face cleanser removes all my makeup, waterproof or not. Though it is cool to know why it is waterproof.
Autumns_Elegy Autumns_Elegy 6 years
I always wear waterproof mascara. It comes off easily enough with me, just normal face cleanser removes all my makeup, waterproof or not.Though it is cool to know why it is waterproof.
lindac lindac 6 years
I HAVE to wear waterproof. My eyes constantly water and if I didn't wear it, I'd look like a raccon. The best I've tried so far is Prescriptive's Here to Stay. It comes off easily with their 'Better Off' remover.
shayela shayela 6 years
Bella, you should make a list of the best waterproof makeup for us come spring!
emalove emalove 6 years
I LOATHE waterproof mascara and never wear it, not under any circumstances...I didn't even wear it at my wedding!
juliarose23 juliarose23 6 years
hmm this is interesting! the science behind cosmetics....
juliarose23 juliarose23 6 years
hmm this is interesting!the science behind cosmetics....
gemini7827 gemini7827 6 years
very interesting. thank u bella :)
aimeeb aimeeb 6 years
Interesting to know. I'm not a huge waterproof person it's a pain to take off!
PrincessVika PrincessVika 6 years
this is neat!!! takes me back to bio 101...hydrophilic/hydrophobic, good to know!!!
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