Loading presentation...

Present Remotely

Send the link below via email or IM

Copy

Present to your audience

Start remote presentation

  • Invited audience members will follow you as you navigate and present
  • People invited to a presentation do not need a Prezi account
  • This link expires 10 minutes after you close the presentation
  • A maximum of 30 users can follow your presentation
  • Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

DeleteCancel

Make your likes visible on Facebook?

Connect your Facebook account to Prezi and let your likes appear on your timeline.
You can change this under Settings & Account at any time.

No, thanks

cosmetic chemistry

No description
by

Advanced Chem Yellow One

on 27 February 2013

Comments (0)

Please log in to add your comment.

Report abuse

Transcript of cosmetic chemistry

rays Sodium Lauryl Sulfate Compound in shampoos
Myth:
1 in 3 people develop
Nothing to worry about
Harmless long hydrocarbon tail with ion head Arbutin Lead in Lipsticks? Trace amounts of

cases with popular brands such as Maybelline and L’Oreal

FDA statements say that there is problem
not consumed
Would you take the risk Saponification sodium stearate, a common soap
amphipathic properties Chemicals absorb the -> harmless Zinc oxide or titanium oxide sit on
Deflect Foods as natural “ ”
Antioxidants
Fat-soluble carotenoids - Sunscreen Purpose:
sunburns
260-320 Sunscreens Emulsifiers
Contain oily/fatty substances/lipids + water
Emulsifiers act as mediator
Molecules that are attracted to both sides
Lipophilic + Hydrophilic = Ampiphilic
Cloudy appearance
Reduces surface Structure of SLS in soaps
Hydrocarbon binds to and
Ion head binds to
Only :
skin irritation….if in hair for Arbutin inhibits tyrosinase which controls synthesis of
Makes less pigment, the skin
Different types of glycosidic bonds between and Consumer Chemistry the science of everyday products Jenny Mu
Andrew Kang
Katie Rigdon
Amanda Jara Thermodynamics energy and enthalpy are positive s p o n t a n e o s U more interfaces Impacts consistency, feel, care properties BREAKDOWN IS INEVITABLE emulsifiers slooooow it down Basics t e n s i o n LEAD •Tweets
-Correcting the cosmetic scientist
-SLES
-Other feeds
•Blog
-Components of cosmetic chemicals
- range of topics
•Savvy consumers Potassium hydroxide
used in l i q u i d soaps
solubility Sodium Lauryl Sulfate
-share information with peers
-December = "Compound of the Day"
-connect with other bloggers/tweeters Twitter Beta is extracted
Alpha is produced in
Is newer necessarily better?
are being performed Arbutin - glucose and hydroquinone
From views a day to views
Recognition from and
classmates and Internet users Thank you for watching! NO ??? 400 w i d e fat + base = soap higher (KOH) hydrophobic hydrophilic + rays protect against UVA and UVB rays cause nm level of exposure energy HARMFUL astaxanthin s u r f a c e sunscreens carcinogenic cancer Essential real danger twitter 12 hours educate 1-2 1000+ chemistscorner beautybrains Accomplished a lot! lightens naturally glucose LABORATORIES hydroquinone alpha beta Toxicological tests MELANIN grease oil w ate r twitter: http://twitter.com/advchemyellow1 blog: http://advchemyellow1.blogspot.com/ http://advchemyellow1.blogspot.com/2012/10/lead-in-lipstick.html Results of the FDA study: http://www.fda.gov/cosmetics/productandingredientsafety/productinformation/ucm137224.htm#expanalyses http://advchemyellow1.blogspot.com/2013/02/lets-make-some-soap.html http://advchemyellow1.blogspot.com/2012/12/sunscreen-chemical-vs-physical.html Nanoparticles in sunscreens: http://bit.ly/Nhdjql http://advchemyellow1.blogspot.com/2013/01/lets-mix-oil-and-water.html http://bit.ly/YXWaDR http://bit.ly/Y0JnzC Side effects of SLS: http://advchemyellow1.blogspot.com/2012/11/how-do-skin-lighteners-work-arbutins.html Results from arbutin toxicological tests: http://ntp.niehs.nih.gov/files/Arbutin.pdf How to make soap: http://bit.ly/YET1My Blog Post: Blog Post: http://bit.ly/YEXgYz
Full transcript