Occlusive vs nonocclusive barriers (was: steroids)

[Guest guest]

> Also, (i misdirected the post) has anyone heard if petrolium based

> moisturisers, in the long run, dry out your skin. I read this a

> while back on an exzema discussion board. I hope it's untrue, but

> i wonder if anyone else had heard.

, you might be interested in this article, A Dermatologic View

of the Permeability Barrier, by Feingold, MD, from the Feb

1992 issue of Cosmetics and Toiletries. From my limited knowledge

base it looks like a good article, and makes an interesting

observation that occlusive topicals that do not allow water to escape

seem to discourage repair of the protective barrier:

http://www.personalhealthfacts.com/carcinogens13.pdf

(The article requires Adobe's PDF reader)

I don't know but, if petroleum is occlusive, then the underlying

barrier might not be naturally repaired and so may encourage long

term skin dryness.

Barry (or others), are you familiar with the contents of this article?

Marjorie

Marjorie Lazoff, MD

[Guest guest]

> Also, (i misdirected the post) has anyone heard if petrolium based

> moisturisers, in the long run, dry out your skin. I read this a

> while back on an exzema discussion board. I hope it's untrue, but

> i wonder if anyone else had heard.

, you might be interested in this article, A Dermatologic View

of the Permeability Barrier, by Feingold, MD, from the Feb

1992 issue of Cosmetics and Toiletries. From my limited knowledge

base it looks like a good article, and makes an interesting

observation that occlusive topicals that do not allow water to escape

seem to discourage repair of the protective barrier:

http://www.personalhealthfacts.com/carcinogens13.pdf

(The article requires Adobe's PDF reader)

I don't know but, if petroleum is occlusive, then the underlying

barrier might not be naturally repaired and so may encourage long

term skin dryness.

Barry (or others), are you familiar with the contents of this article?

Marjorie

Marjorie Lazoff, MD