Weleda Arnica Massage Balm 200ml. Arnica is a natural anti-inflammattory traditionally used for soothing muscular aches & pains & speeding up the recovery of bruises & sprains. Weleda Arnica Massage Balm is a wonderfully aromatic dark gold liquid containing therapeutic plant extracts & oils to comfort old aches & pains that flair up when put to the test. Not surprisingly, this best-seller is a favourite with sports professionals.