Protect hair from stress with Sebastian Professional Penetraitt Repair Masque- a deep conditioning treatment that strengthens hair that has been weakened and damaged from past chemical treatments and heat. Ideal for stressed- dull and chemically treated hair- the masque features an active rescue system that penetrates- repairs and reconstructs hair to it's natural health to leave you with strong- soft hair. Sebastian professional are known for their experimentation of all things colour and shapes to create fearless hair fashion. With a thirst for innovation and changing the game of hair styling- Sebastian hair products help you to create styles that you dream of. -SA How To Use: mask Remove excess water from hair. Saturate evenly- focusing on most damaged areas. Leave on for 2 to 3 minutes. Rinse thoroughly.