N°6 strengthens, moisturizes, and eliminates frizz and flyaways for up to 72 hours. Excellent for all hair types, including colored and chemically treated hair. Please see below for Nº.6, 6 ways! All Hair Types Free of DEA, Aldehydes and Formaldehyde PH Balanced Vegan Cruelty Free Gluten Free Nut Free Paraben Free Phthalates Free Phosphate Free Sulfate Free