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Katie Rigdon

The Chemistry Behind Moisturizers - 1 views

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    Hey guys so the interesting aspect of this article is the part about emulsions. Emulsions are basically mixtures of water, oil, and surfactant (something that binds to both oil and water and therefore helps them combine). This topic is interesting in terms of moisturizers because your skin needs oil to moisturizer it but just putting oil on our skin is very messy. Emulsions allow for neat and tidy moisturizers for our skin!
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    So bringing back an old article, do you guys think we could relate this to what we're learning in class by looking at the process of mixing water, oil, and surfactant. Because water and oil naturally repel, do you guys think that getting them to mix together would be an endothermic reaction, because thats not how they want to be? Just a random thought :D
Amanda Jara

Soap and Saponification - Chemistry - 4 views

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    We can relate this post on hydrolysis and what we just did this past chapter with solutions.
  • ...7 more comments...
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    maybe we can also look at how different soaps utilize this technology
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    The chemistry behind soaps could be a really interesting topic. I know in AP Chemistry we were talking about how some soaps just remove the oils on your skin, but it is also really important for soaps to moisturize your skin as well as clean it so that your skin doesn't get really dry.
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    Sorry I just realized that that last comment wasn't totally related to the article but it is another aspect of soaps that we could look into. It could also be interesting to compare the ingredients of different soaps and see if the differences really affect their performance.
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    It's not related to this article but it is related to what we're learning in class/cosmetics - I smell a possible blog post.
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    Going off of what Katie said about soaps removing the oils on you skin, I know some people who have really sensitive skin and actually break out into rashes after using certain soaps. Maybe we can look why that happens, (is it the removal of oils, or the addition of chemicals that are supposed to help moisturize the skin). From there we can probably find the ingredient that leads to such effects.
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    That's a good idea - the "or." Perhaps it is actually both? And these ingredients that supposedly help moisturize your skin, how are they passing testing if they dry it out? Things to look into.
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    It looks like a this topic could really tie in with the last topic in advanced chem in terms of polar and non-polar molecules. Yay connections :)
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    Maybe we can go even further and see if it is the different combinations of ingredients that causes reactions. Perhaps it may be the case that one ingredient may be harmless if it is alone, but when combined with something else, it can change its properties.
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    I'm in the process of writing a blog post on soaps, and iin my research, I basically found that soaps are made from fats and salts, which make the non polar and polar, and so that lets them bind to non polar things like grease and polar things like water, and they lets them wash stuff away. Thats a way we can relate this to the stuff we're learning in class :)
Jenny Mu

Cosmetic Chemistry - Chemistry Encyclopedia - structure, water, examples, metal, number... - 3 views

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    This site explains all the basics of the chemistry behind cosmetics, such as lotions, moisturizers, chapsticks, etc.
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    we should pick something that interests us from this site, and go from there, because our topic is really broad, and I feel like right now, we are all over the place.
Amanda Jara

Deodorant paraben chemicals 'found in breast tumours' - Health News - NHS Choices - 2 views

  • The researchers detected one or more parabens in 99% of tissue samples (158 of 160 analysed) and all five parabens in 60% of samples (96 of 160)
    • Andrew Kang
       
      Unbelievable - 99% is a ridiculously high statistic. You're right - it would be interesting to talk about parabens and their usefulness in cosmetics, as so many products use them. And perhaps attention is now being brought to their negative effects as well.
    • Jenny Mu
       
      But just because parabens are detected in breast cancer samples, does that necessarily mean that they are the cause?
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    This article talks about breast cancer and parabens, but I think that information about parabens alone could be a very good topic to discuss.  Parabens are found in many shampoos, moisturizers, deodorants, gels, etc. 
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    We should definitely look more into parabens, because they are found everywhere. But I think it's really interesting how this commonplace chemical in everyone's chapsticks and shampoos and everything is actually found in 99% of breast cancer tissue. I think the concept that these chemicals may cause breast cancer seems a bit spurious, but maybe after reading more articles about parabens, we can find out more about the chemical.
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    wow this is a really interesting article! I think Jenny is right though- it doesn't look like it can be concluded that these parabens cause breast cancer. The article said that parabens were also found in 100% of the urine samples taken from children and pregnant women so it looks like they are also found in normal healthy people! Are you thinking of writing your blog post on this Amanda?
Jenny Mu

Shiseido introduces the most expensive skin cream for anniversary - Long Island Spa Tre... - 1 views

  • The NPD group apparently reported that 86% of women asked admit to using makeup with skincare benefits with the thought that consumers are getting more “bang for their buck.”
    • Jenny Mu
       
       I was just wondering, what justifies the extreme prices of these skincare products. What materials or chemical processes are needed to produce them, and do they really have any effect? Personally, if I was paying $13,300, I would expect it to do a lot more than just moisturize or reduce fine lines.
  • For around $13,300,
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