Ashton and ParsonsPlease note that you must be in to sign for this delivery. Ashton & Parsons Infants' Powders. For teething pain relief. For oral use. 30 Sachet Pack. A traditional herbal medicinal product used for the relief of teething pain and symptoms associated with teething such as sore and tender gums, flushed cheeks and drubbling based upon traditional use only. Each sachet contains powder impregnated with 0.002ml of the active ingredient tincture of matricaria (Matricaria recutitaL.) flower.