Brand from Japan: SGNI. Contains penetration-promoting ingredients that work well with keratin, and when used in combination with keratin, it penetrates keratin more effectively, improving hair damage.Contains seven types of nano-sized PPT ingredients that penetrate easily into the hair, penetrating and repairing the inside of the hair.Contains carefully selected amino acid and peptide cleansing ingredients.How to use:Shampoo: After thoroughly pre-washing with lukewarm water, apply an appropriate amount, lather well, wash, and then rinse thoroughly.Treatment: After shampooing, take an appropriate amount in your hands, and work it into your entire hair with a hand comb or brush, then rinse thoroughly.For damaged hair, leave it for about 5-10 minutes before rinsing thoroughly.