Quoted from Paul BEGOUN & Kimmaytube:
· If a hair care product is too alkaline (PH 8 and over) it can cause the hair shaft to swell and damage the cuticle and cortex. (pg 77)
· Apply a substance with a pH greater than 7 (more alkaline than hair) decomposes the hair’s acid mantle and begins eating away at the hair’s outer cuticle layer (pg45)
· A product with a PH less than 2 (more acidic than hair) also decomposes hair. Therefore, anything with a pH greater than 7 or less than 3 is bad for the hair.
·A pH of 3 is quite acidic and can theoretically denature hair
And any product with a pH of 4.5 to 7 works great for the hair, either by complementing
the hairs natural acid mantle or by leaving it alone and not disturbing it
· The goal of any hair care product should be to leave the pH of hair alone or to move it slightly in the acidic direction (to help the cuticle lie flat) and that’s about it.
Acidifiers for closing your cuticles and retaining moistures in your hair after washing it.
Apple Cider Vinegar = 3.0ph (safer when diluted to at least 4.0
· Aloe Vera Juice = 4.0 – 4.5. It is good for a leave in conditioner ingredient or your water bottle spritz. Aloe Vera juice is a great hair acidifier.
· After wetting your hair, use an acidifier within the pH range of 4.0 -6.0 to close your cuticles. Water is more alkaline than our hair.
· You can mix your acidifier with a leave in conditioner product of your choice or make your own with jojoba, coconut or castor oils.
· Acidifiers close the cuticles of all hair types, but afro textured hair needs them the most. Our hair is often times more porous due to its flat shape. Keeping your pH in check will close your cuticles and help to lock moisture in.
· Be careful with Lemon Juice. It is highly acidic and can eat through hair
When an alkaline substance is applied to hair it opens up the cuticle.
So, we know that an alkali will open up the cuticle and an acid will flatten it, we can decide on which types of products we want or do not want to use on our hair
Aloe Vera juice is a great hair acidifier
At a time I was using Dr Bonners soap to shampoo by hair with and it has a = Ph of 10! I was REALLY damaging my hair
And any product with a pH of 4.5 to 7 works great for the hair.
Pure water has a PH of 7, while your hair and skin have a pH of 5. You should avoid both strong acids and strong alkali as they will both burn your scalp.
Most shampoos will have a pH balance of around 7. On the other hand, lemon juice and vinegar have a PH balance of 2 or 3 and baking soda has a pH of 8 or 9.
Did you know this?
When it comes to cleansers, look for products that are mild and have a pH of 5.5. Bar soaps normally have a high pH, around 9 to 10. This means that bar soap can change the pH of skin and promote overgrowth of certain types of bacteria which increase acne outbreaks and duration. Use alcohol-free toners to help restore the skin’s pH after cleansing. Avoid over washing as water has a pH of 7. Avoid cleansers with harsh chemicals as these cause major pH imbalances that are difficult to restore.
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