The secret is that Coca Cola contains phosphoric acid, which means that the solution of the Coca Cola has very low pH level. Coca Cola classic has a pH of 2.5. as an acidic solution when applied to the hair it causes the cuticle of the hair to contract and it will make the hair appear smoother shinier. This also means that hair, particularly hair prone to curl will have its natural curl enhanced.
You just need to simply apply the coca-cola to the hair and allow it to remain for a few minutes, 5-10 minutes. Next, shampoo the hair.
Since the beverage contains a lot of sugar, the hair can result in gummy or crusty residue once it dries.
Girls with wavy hair found that this beverage just enhance the waves of their hair. People with naturally curly hair noticed that their curls were more defined.
You can pour the Coke on your hair or take a small basin and pour the beverage in it. Then, soak your hair in it for 10 minutes. Next, shampoo your hair as usual.
When your hair is still wet, you can notice it is softer. After drying it out, you can feel your hair is still soft, less frizzy and fuller.