Gluten in non-edible items
Gluten often ends up in the most surprising products and Coeliac UK has investigated several items.
Gum on postage stamps and envelopes
Extensive enquiries with the Post Office and the manufacturers of envelopes have shown that the gum used in these products is gluten-free and perfectly safe for coeliacs.
Face cream
For gluten to affect you, it needs to be digested. Any products you apply to your hair or skin, like face cream that contain wheat germ oil, will not affect your coeliac disease.
Cosmetics
The only cosmetics you need to be wary of are those you apply to your lips as these could be digested. If the ingredients are not listed on the packaging you should speak to the manufacturer. However, the amount of gluten that is likely to be in a product such as a lipstick is small, so you would need to digest a large amount to cause a reaction.
You may still be sensitive to ingredients in cosmetics, but this has nothing to do with coeliac disease.
This is from:
http://www.coeliac.co.uk/other/TextOnly ... FontSize=4
So, it would appear that if you react to products of this type, the reactions are likely to be some sort of classic allergic reactions, rather than coeliac reactions to the gluten that they contain.
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