Living Proof Perfect Hair Day is a versatile styling treatment that helps improve hair’s strength, shine, and manageability. Its lightweight formula smooths, polishes, and protects hair from heat up to 450°F (232°C) without weighing it down. Safe for all hair types, including color- and chemically-treated hair, it helps maintain a healthy look with no buildup. The 30ml / 1.0 fl oz size is perfect for travel or on-the-go styling. Powered by the patented Healthy Hair Molecule for long-lasting results.