Oils that do not penetrate the hair (and are therefore suitable as hair sealers):
- Jojoba
- Sweet almond
- Apricot
- Grapeseed

Oils that do penetrate the hair shaft:
- Coconut
- Argan
- Olive
- Avocado
- Sunflower seed
- Palm
Originally Posted by Aqua_Lily
Since these oils - sweet almond, jojoba, sesame... - don't penetrate the hair, they only work to seal?... Nothing more?...

And Castor Oil, it penetrates the hair?...
3b/c - fine texture - normal/high porosity (from coloring)

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