Have you tried KCCC or Curl Keeper on the crown? Just giving it a quick glaze. I like KCCC better but both will get rid of the crown frizzies if you've been moving around or are affected by the humidity or something. Also good is FSG or CG Pattern Pusha. Oh, and devacurl Set it Free. Or just plain conditioner and water is great too for a touchup on the frizzies. Also yes you want to be sure you apply enough product on the crown when you style. If your roots are dry, get some leave in then gel or gelly or mousse or curl cream or whatever it is you use.
3A - C, HP, ME, HD. (Coarse, High Porosity, Medium Elasticity, High Density.)

CG since Nov. 2012

Poos: SM Moisture Retention + Yucca Baobab, TJ's Tea Tree Tingle
Condish: TJ 'sTea Tree Tingle*, SM Moisture Retention* + Curl & Shine + Yucca Baobab, Yes to Blueberries
Stylers: KCKT*, SM Curl Enhancing Smoothie* + Curl & Style Milk*, KCCC*, FSG*, CJ Pattern Pusha, Curl Keeper
Sealers: Jojoba* or Grapeseed* oil

* = HG