New, Unused, Unopened Thank you for looking. I mistakenly purchased this last month from iHerb. A hair mask containing keratin that repairs damaged hair and gives it a smooth texture. - Brand: Advanced Clinicals - Product Name: Keratin Sleek + Smooth Hair Mask - Contents: 12 oz (340 g) - Expiration Date: January 1, 2029 Advanced Clinicals Keratin