Cool How Long Should I Wait Before Dyeing My Hair Again References. Staying away from water can give your newly dyed strands their best chance of remaining vibrant. However, if your hair was badly damaged by the dyeing process, you may need to wait.

Turns out, there are some strategic moves you can make to ensure those freshly dyed vibes stay for as long as possible. This is preferred by people for covering the greys. The natural oils on your scalp are there for a reason — to protect the scalp.