Salon style starts with strong hair! Get 100% stronger hair*. Ready for salon styles. Hair can lose its strength & nourishment if damaged. TRESemmA© Ionic Strength contains salon grade ionic complex, which when used with Ionic Strength conditioner helps restores & nourish your hair, reinforcing its natural protection to damage. Gentle enough for daily use, your hair is strong and healthy like you have just stepped out of a salon!