Color Change Feature: Changes color when the temperature exceeds 18C (64F), revealing a unique personality and attracting attention with this innovative color-changing hair dye. Hair-Friendly Design: Make your hair stand out with our Color Changing Hair Dye! Using safe, hair-friendly ingredients, this dye is perfect for creating stunning and unique looks. As a photography prop, it adds an extra dimension to your photo shoots, and as a fun addition to your daily routine, it makes life more colorful and convenient. Variable Application: With our Color Changing Hair Dye that provides different colors to choose from, you'll be able to stand out at cosplay events, stage shows, and holiday parties or add a little fun to your daily look. Convenient to Carry: This innovative color changing hair dye container stores 60ml, making on-the-go hair transformations a breeze. The lightweight and compact design allows for easy carrying, and its long-lasting and vibrant formula ensures stunning results wherever you go. Practical : Delight your loved ones with our Color Changing Hair Dye. A perfect present to express your love and care on special occasions, surprising your friends and family with its amazing color-changing effect. A memorable experience for birthdays and holidays.