The free olaplex kit contains:
 1x N ° 3 Hair perfector 100ML (miraculous repairing treatment to leave on overnight on dry and dirty hair).
 1x N ° 6 Bond Smoother 100ML (anti-frizz repair cream without rinsing).
 1x N ° 7 Bond Oil 100ML (Sublimating oil for dry, broken or damaged hair).