Dermatitis your toothpaste might also rationale dermatitis round your mouth
https://www.scribd.com/document/1038788435/Autism-a-temporary-review-192769
Dermatitis- Your Toothpaste May Cause Dermatitis Around Your Mouth<br/>Dermatitis- what is perioral dermatitis?<br/>Perioral dermatitis is a epidermis problem round the mouth. This might also show up at the nostril and chin