What is the USES & EFFECTIVENESS of Licorice Root Extract?

We have the Possibly Effective for the Licorice Root Extract:
Itchy and inflamed skin (eczema). There is some evidence that applying licorice to the skin can improve symptoms of eczema. Applying a gel containing licorice three times daily for 2 weeks seems to reduce redness, swelling, and itching.
Heartburn (dyspepsia). Research suggests that taking a specific product containing licorice plus peppermint leaf, German chamomile, caraway, lemon balm, clown's mustard plant, celandine, angelica, and milk thistle (Iberogast, Medical Futures, Inc) three times daily for 4 weeks can improve symptoms of heartburn.

We have the Insufficient Evidence for the Licorice Root Extract:
Bleeding. Early research suggests that applying a specific product containing alpinia, licorice, thyme, stinging nettle, and common grape vine to the skin reduces bleeding during surgery, but does not reduce time in surgery. Another early study suggests that applying the same product after dental surgery reduces bleeding.
Canker sores. Research suggests that applying a patch containing licorice to the inside of the mouth for 16 hours daily for 8 days reduces the size of canker sores but does not speed up healing time. Other research suggests that applying licorice patches and gargling with warm water containing licorice reduces pain in patients with canker sores.
Dental plaque. Early research suggests that using a toothpaste containing licorice twice dally does not reduce plaque, gingivitis, or bleeding when compared to toothpaste without licorice. Using mouthwash containing glycyrrhizin also does not seem to reduce plaque.

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