leigh.hill
Active Member
I've never heard pre-poo explained like this (part of an email from Neno Natural):
Pre-shampoo treatment
You need an oil whose fatty acids can penetrate the hair fibre. Why?
According to The Science of Black Hair, hair swells when it is wet and shrinks when it is dry. This constant swelling and shrinking is called hygral fatigue; overtime it weakens the hair fibre thereby making it more vulnerable to breakage. You can avoid hygral fatigue by applying an oil that is high in saturated fatty acids and/or monounsaturated fatty acids before the shampoo. These types of fatty acids can penetrate the hair shaft so that when you wash the hair, the hair fibre doesn't swell as much and is therefore less prone to weakening from hygral fatigue.
The best oils (from the one with the highest content of saturated fats and/or monounsaturates):
Jojoba oil (100%: 98% monounsaturates, 2% saturated)
Coconut oil (97%: 6% monounsaturates, 91% saturated)
Avocado oil (88%)
Olive oil (86%)
Sweet almond oil (71%)
Pre-shampoo treatment
You need an oil whose fatty acids can penetrate the hair fibre. Why?
According to The Science of Black Hair, hair swells when it is wet and shrinks when it is dry. This constant swelling and shrinking is called hygral fatigue; overtime it weakens the hair fibre thereby making it more vulnerable to breakage. You can avoid hygral fatigue by applying an oil that is high in saturated fatty acids and/or monounsaturated fatty acids before the shampoo. These types of fatty acids can penetrate the hair shaft so that when you wash the hair, the hair fibre doesn't swell as much and is therefore less prone to weakening from hygral fatigue.
The best oils (from the one with the highest content of saturated fats and/or monounsaturates):
Jojoba oil (100%: 98% monounsaturates, 2% saturated)
Coconut oil (97%: 6% monounsaturates, 91% saturated)
Avocado oil (88%)
Olive oil (86%)
Sweet almond oil (71%)