Rejuvenol 24 Hours Keratin Treatment with Collagen 2oz Pack of 2 Intense treatment that softens smoothes and relaxes the hair Rejuvenol Laboratories has developed this Ultra Light Brazilian 24 Hour Keratin Treatment in order to reduce the time of the application and for a weightless and healthy looking hair No need to part the hair and the fastest drying time of all existing Keratin Treatments in the market