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Skin Allergies Lead to Cosmetic Treatment

By Peter L. Karlsberg MD - Friday, August 09, 2013

We’re sure some of you aren’t aware of what methylisothiasolinone, or MI for short, actually is.  This preservative, which is found in a handful of cosmetics, apparently has been causing a terrible rash of skin allergies on those who have come in contact with it.

The increasing rate of skin rashes has caused The American Academy of Dermatology to alert doctors.

Dr. Caleb Creswell of the Dermatology Specialists in Edina states, "The thing to remember with this is this can be something that you've been using and having no problems with it and then all of a sudden it kind of shows up overnight.”

Creswell goes on to say MI was first found in shampoos and body washes introduced to the cosmetics market in 2005.  And Creswell says that the rashes, “Can range from being mild to severe, but when it shows up it's usually red, itchy.”

Of course, with all these rashes a sudden raise in skin rejuvenation and laser skin resurfacing has been noted.

To read more about this issue visit Kare 11.


Dr. Peter Karlsberg is a board-certified dermatologist, dermatologic and laser surgeon who has been in private practice in Ventura, California since 1995.

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