The Olaplex Professional 4-in-1 Moisture Mask uses patented technology in the form of a highly concentrated reparative mask which adds intense moisture while providing shine and body, to treat damaged hair.  4-IN-1 Moisture Mask works quickly and efficiently to address dryness in even the most severe cases.
 
The Olaplex 4-in-1 Moisture Mask features the ingredient; Bis-Aminopropyl Diglycol Dimaleate, in addition to ceramides, oils and amino acids for an highly effective post-chemical treatment, moisture service, with the bottle giving you up to 140 treatments
 
After using OLAPLEX N ° 4 BOND MAINTENANCE SHAMPOO, apply 1-3 doses of OLAPLEX 4-IN-1 MOISTURE MUSK on towel-dried hair, taking care to saturate the damaged parts well by massaging with your fingers. Distribute with a comb and leave on for at least 10 minutes and rinse.