KMS California Solperfection After Sun Rescue is an after sun treatment that will work to reverse all the damaging effects of the sea, sun, and even pool water. This treatment is perfect for any hair type, even more for those with sun-damaged hair. This is a kit of 4 (four) 0.67 oz tubes. To Use Appy to shampooed, towel-dried hair. Leave in 3-5 minutes and rinse clean. 1 to 3 applications per tube, depending on hair length.