Keep Brushing
The primary way to maintain your waves is to keep brushing. Even though you’ve achieved the look you want, that doesn’t mean your brushing days are over. You should continue doing your brushing regimen, as well as using a durag at night, which will keep your style intact.
If you notice that you’re having trouble either getting or maintaining the wave style, most of the time, this issue comes down to a lack of brushing. You should be brushing three times a day to keep your waves intact.