You’ve read this article, and the results of your one second porosity test are in. If it feels bumpy, your hair is overly porous, and may look puffy, frizzy, and suffer from split ends. Grab a strand of hair and slide your fingers from the ends toward your scalp. You are one second away from knowing your hairs porosity level. When the hair does not retain the colour molecules there will be a noticeable fading of the colour.
Increased hair porosity can also lead to rapid colour fade, as the raised hair cuticles can leak the colour pigment molecules. When the cuticle is damaged and raised, as in the case of highly porous hair, any colour mixture which is applied to the hair will penetrate too easily and be over-absorbed, which can lead to darker, duller colour outcomes as well as lead to further weakening of the hair. In healthy hair the cuticle is smooth and lies flat, but the cuticle in porous hair is lifted or raised. Porous hair has a damaged and lifted cuticle. The hair cuticles in the outer layer of healthy hair lie flat against hair shaft, but if the hair is porous they are raised, and they can be felt in this porosity strand test. If you feel any bumps or ridges, this can indicate porosity. Grab one strand of hair, hold it from the end and run two fingers up it towards your scalp.
Your hairs porosity refers to how much moisture it can retain. If your hair is damaged, then it is porous, as hair damage leads to physical effects on the hair which increase hair porosity. The same factors which contribute to hair damage, such as bleaching or lightening processes, excessive heat, sun and salt water, not only leave hair weakened, they also increase hair’s porosity. The absorbency or porosity of your hair depends on the natural the natural texture, colour history, styling, and degree of environmental exposure.
Porosity refers to hair’s ability to absorb moisture. It is always good to learn something new, so we’re letting you know a bit more about porosity and how it can affect your colour. Most non-colourists have never heard of porosity before when dealing with hair.
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