Tonal Control Gel Toner post lightening acidic toner with bond-protecting Concentrate to protect the inner hair structure after each color. Multi-dimensional effect. Ammonia free for pleasant smell. Silver Lining collection - Suitable for 50-100% grey hair - Shades designed to bring out the multi-dimensionality of grey hair - A palette of shades designed to enhance the beauty of grey hair - Pre-Bonded protective technology protects the hair structure