Well, not that easy. I first looked on websites - not that great. I emailed some more companies and the responses were all over the board.
This is what I can summarize for you.
Dior give the okay that none of their lipsticks contain gluten and are not produced on lines that contain gluten.
Estee Lauder okay except signature Hydra Lustre which has wheat.
The Bobbi Brown rep of Estee was extremely helpful and responsive. This is what she sent
Lip Color - Ingredients derived from Soy and Corn.
Rich Lip color SPF 12- contains ingredients derived from Soy and Corn.
Creamy Lip Color - Ingredients derived from Soy and Corn.
Metallic Lip Color - Ingredients derived from Corn and Soy.
Treatment Lip Shine SPF 15 - Contains ingredients derived from Wheat, Soy and Corn
Lancome sent a list of 36, yes 36, ingredients that contain gluten and recommended cross referencing each box.
MAC asked me to write back with the exact color and style and they would then check back with the lab and then get back to me. Great if you have a color. Not very helpful if you are going shopping.
Revlon can't make a statement on being GF.
Sephora was very responsive. All Tarte lipsticks are GF. They also sent an email with other beauty products that are GF, if you want it email me and i'll forward you their email.
There you have it, my adventure in lipstick shopping for the holidays. Pucker up and have a happy New Year.
The Un-Gluten Guy