Permanent dyes make up 80% of marketed products using chemical reactions. Early permanent dyes contained carcinogenic aromatic amines. Modern dyes eliminated some carcinogenic chemicals in 1970s
A 2-in-1 device that straightens and dries hair simultaneously. Uses high-pressure airflow at 45° angle for sleek finish. Features glass bead thermistors for temperature regulation. Price: $499.99
Airstrait works in wet to dry direction. Wet hair should be 285°C, dry hair should be 230°C. Dry hair should be 285°C, cool hair should be 230°C
Author has been using straightener since age 12, using it 5 days/week for 9 months. Traditional straighteners use 450°F plates, causing significant damage
Winner of Allure Best of Beauty Award 2024. 85% of reviewers would recommend to friends. 20-25 minute salon-like blowout time. No extreme heat damage to hair
Works well on both straight and curly hair types. Heats up quickly and provides smooth results. Features adjustable heat levels up to 390 degrees. Combines brush and straightener functions. Easy to use with minimal maintenance