★★★★★
Pau d'Arco brings canker sore relief. Use as a poultice on the site of the sore. Pau d'Arco is an astringent and soothes the sore so that eating is a little more bearable. L-Lysine does work wonders too. Try the Pau d' Arco as a poultice on the site of the sore for a bit of relief before eating.