The Hidden Cause of Hearing Aid Discomfort — And How Gold-Plated Earmoulds Can Help If you're experiencing itching, irritation, or discomfort from your hearing aids, the cause may be your earmoulds. For many people, gold plated earmoulds offer the most effective hypoallergenic solution — especially when silicone or acrylic alternatives fail. Why Do Earmoulds Cause