SmartStrips stripes with patented technology. High performance and eco-friendly. It protects and makes the hair breathe. Material: 60% calcium carbonate, 40% polyethyelene. Customized and ergonomic boxes designed in three different sizes: short (20x10cm) - medium (35x10cm) - long (50x10cm) hair. The future of hair bleaching technique. The only breathable stripes on the market. Designed to allow a balanced exchange of oxygen to stabilize the mixture during the bleaching service, anticipating the oxidation process and adjusting the pH of the hair. - Brighter and long-lasting colour regardless of the application time during the bleaching service - Healthier hair - Less colour change and fading