The short answer is NO. Porosity is about damage. The porous your hair is, the more damaged it is. Factors like mechanical damage, UV radiation, and chemical treatments can damage your hair cuticle. It is extremely hard to accurately determine your true hair porosity because: firstly, at-home methods are useless, and you would need expensive lab equipment. Not all of your hair has the same porosity. The newer hair will have lower porosity, while the ends are usually porous. High porosity means that your hair is damaged. High porous hair has cracked cuticles and the cuticles won’t lay flat, they will be raised. To prevent cuticle damage, brush softly, always…

Let us look into how dry shampoos actually work: The main ingredient in a dry shampoo is starch. Starches are produced by plants and it can be found in all types of plants and that is why thee are different starches like corn starch or rice starch. Why is starch the main ingredient in dry shampoo? Starches absorb sebum/oils very well. Approximately 1.0g of rice starch has a surface area of 1.6 square meters, resulting in enormous absorption capacity. So, when starches come in contact with the sebum that is present in the hair, these starch particles start to absorb the sebum and swell. This is why dry shampoo makes…