I was wondering if any of you use oils (particularly sweet almond, avocado, or grapeseed)? What do they do for your particular head of hair? How do you apply it? Do they make your head greasy?

Oh, and when people talk about applying it to the ends of their hair, what is it supposed to be doing to the hair?
No-'poo since 28 Apr 09!
2c/3a, fine to medium texture, low to medium porosity, normal elasticity, medium density.

Cleanse: Deva Lo-Poo or Kinky Curly Come Clean
Condition: Kinky Curly Knot Today or Suave Naturals Coconut
Stylers: KCCC, BRHG, Moroccan Dry-No-More oil, Mister Right

NO: bad 'quats, 'cones, 'xanes, drying alcohols, sulfates, or petrochemicals.