## Notes
1. Multi-purpose
2. Protects hair from sun, dirt, heat, pollution
3. Shine
4. Prevents breakage
5. Better for dry/frizzy hair
6. Nourishes hair by filling in follicle gaps
## Side Effects
- Overuse can make hair drier or frizzier
- Silicones can cause hair loss
- Can irritate scalp by making it oily or inflamed
## Use
- Put 1-2 drops in hands and blot--do not rub
- Blow dry afterward
## Types
- To treat split-ends: keratin
- To protect from heat and pollution: jojoba or lavender
- Curly: jojoba oil, argan oil, sweet almond oil
- Thick and textured: Argan oil or Moroccan oil
- Excessively dry: overnight cream
- Colored hair: Cream-base serum with jojoba, argan, coconut, and green tea extracts
## Vs Hair Oil
- Hair oil penetrates the shaft
- Hair serum sits on the surface and creates a layer
- Serum will not improve overall hair health because it only sits on the surface