Jointly developed by professional salon manufacturers: Acid Heat Care Rinse-off Treatment for Straightening, Taming Hair Waviness [A New Solution for Dryness and Waviness] Weekly intensive repair for smooth, straight hair. For those who struggle with unmanageable hair every morning, or hair that expands in humidity... Introducing "Sageena Iron Hair Mask," a hair mask specifically designed for "straightening." With its unique formula that harnesses heat, your iron will glide smoothly, leading to straight, manageable hair. [Reacts with Heat to Achieve Straightness] Supports the effects of dryers and hair irons! Adopting the "Iron Repair Formula." While repairing heat damage, it leads to straight hair. Your bangs and hair ends will stay in place, transforming your hair into a style that is easy to manage with an iron. Makes morning styling easier and less prone to frizz on humid days. [Carefully Selected Beauty Ingredients] Sea Buckthorn Berry Oil x 3 types of Ceramides. Highly formulated with Sea Buckthorn Berry Oil, which delivers moisture to the hair's interior, and a human-type ceramide complex. Repairs damage from heat, UV rays, and coloring, resulting in supple, shiny hair from the core. Contains levulinic acid to repair hair. [Completed in 5 Minutes! Time-Saving Care] Once a week, prepare at night for an easy morning. Just add one step to your usual care routine. After shampooing, apply, leave for about 5 minutes, then rinse. The next morning, you'll have "hair that styles without hesitation," where your hair iron glides smoothly. Perfect for saving time in the busy morning. [High-Adhesion Gel & Refreshing Fragrance] A light, smooth, high-adhesion gel texture. Furthermore, the gentle floral musk fragrance creates a pleasant bath time experience. Easier to use than jar types, and the single-use pouch type is hygienic and easy to carry. [Recommended for those who:] Are concerned about dryness in their bangs and around their face. Can't style their hair in the morning due to humidity or bedhead. Use a hair iron, but their style reverts quickly. Find their hair unmanageable and prone to expanding. Want to maintain a straight finish without effort.