Butters (or solid oils/fats) have a lot of saturated fats and fewer unsaturated fats. Saturated fats have a higher melting point so the fat remains solid at room temperature.
Although we call it coconut oil it's actually a butter as it is almost entirely composed of saturated fats.
How does this matter for your hair?
You should think about fats as falling into three categories when it comes to your hair:
- Saturated fats can penetrate right into the hair cuticle
- Monounsaturated fats can penetrate right into the hair cuticle
- Polyunsaturated fats cannot penetrate right into the hair cuticle
If you are doing a hot oil treatment you may therefore want to use more penetrating butters. This explains why I use a lot of solid butters in my hot oil treatment recipes.
If you are sealing your hair you might want to blend your butters with an oil because the polyunsaturated fats in liquid oils coat the outside of hair and may therefore seal for longer. Most butters usually only have 3-5% polyunsaturated fats.
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