using olaplex chelating shampoo. do you leave it on for a half hour?
I have a small bottle of Olaplex 3 that's 2 years old. Do you think it's okay to use it still? It +
I love Epres (I use it every 1-2 weeks) and K18 Oil. I do not love the K18 Mask- it's very r/o
Hairdresser likes it. She prefers it to Olaplex