Can hair dye change the porosity of your hair?

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  • 1 Post By rymorg2

Can it change from low porosity to normal porosity if you use a permanent hair dye one or two shades lighter than your own hair?
I'm a stylist....the answer is yes, it definitely will. Permanent color lifts the cuticle so the color can get into the hair shaft and this causes greater porosity. Hth....

Cosmetology Educator with sensitivities, eczema and Seborrheic Dermatitis.
Ingredients Maven
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Yes, unfortunately it does. Anything that damages your hair increases the porosity. I dye my hair because I can't live with the gray, but I have to accept that my hair is now highly porous as a result. I do my best to deep condition it and I do protein treatments in advance of the dye, but there is only so much I can help it.
2/b maybe 2/c. Coarse hair med. density.
Protein sensitive but can use occasionally
Highly porous. Color over grey.
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Thanks for your answers!
I actually want my hair to change porosity....I have low porosity hair and it has actually damaged my hair (that a long with having protein sensitive hair).
Low porosity hair has made my hair dry, prone to breakage and tangled.
When I had normal porosity my hair was long and healthy because it accepted moisture and right now my hair refuses moisture and I've spent a lot of time and money on my stubborn hair so before you say it - I can honestly say, I've tried everything.
If this is what my hair will continue looking and behaving like then I don't want it.

I'm on a mission to get back to normal porosity. My hair right now is driving me insane.
What you're describing sounds much more like high porosity than low. High porosity has trouble holding moisture and feels dry and crunchy. It sounds to me like your protein use on protein sensitive hair has only made it worse.

I would recommend finding a good acidic conditioner to close the cuticle back or following your conditioner with a vinegar rinse.
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Cosmetology Educator with sensitivities, eczema and Seborrheic Dermatitis.
Ingredients Maven
Products: Free and Clear sulfate free poo and condish, Theraneem Sulfate Free Shampoo/Condish, Unscented SSCEJ, Coconut oil, Camellia oil, Argan oil
Lady Karaan, High Priestess of Hayr Tretements in the Order of Curly Crusaders
Fotki updated 10/12/10 Password: wavy
What you're describing sounds much more like high porosity than low. High porosity has trouble holding moisture and feels dry and crunchy. It sounds to me like your protein use on protein sensitive hair has only made it worse.

I would recommend finding a good acidic conditioner to close the cuticle back or following your conditioner with a vinegar rinse.
Originally Posted by rymorg2
I have virgin, never dyed, never fried, hair that I recently cut short and it's not that I can't get it to hold moisture, it's that I have trouble getting the moisture IN.
The other signs that is low porosity is that I always have to use hot water to open up the hair cuticles before I condition my hair.
I use acv but it makes my hair feel dryer tbh and I always use cold water to close the hair cuticles.
I don't use protein on my hair anymore, I haven't for months, not knowingly anyway. A few months ago I found out that Aloe is protein so I've avoided that!
I've spent a lot of time and money on my hair to find the right products and I've cut out ALL protein.
Right now I just use Tigi bedhead moisture maniac because it's available where I live in stores so I don't have to order online anymore.
Honestly, it's the best one I've used so far and it has no protein.
So I thought I could get back to the hair I used to have when I was younger, normal porosity-hair down my back-smooth hair but I've realized I probably never will get my old head of hair back.
I don't know why or how my hair changed but I just have to accept that I will probably never get that silky smooth hair I used to have, not without manipulating it anyway.
So I've decided to manipulate it, I'm going to do the hair dye process to get to normal porosity.
So I thought I could get back to the hair I used to have when I was younger, normal porosity-hair down my back-smooth hair but I've realized I probably never will get my old head of hair back.
I don't know why or how my hair changed but I just have to accept that I will probably never get that silky smooth hair I used to have, not without manipulating it anyway.
So I've decided to manipulate it, I'm going to do the hair dye process to get to normal porosity.
Originally Posted by TangledMadness
I've been dying my hair (permanent color) for years and flat ironed almost daily. I sent in hair for analysis sure it must be high porosity and was shocked to learn I'm low porosity.

The hair dye may not change the porosity but if you use good dye, it may just give you shiny, silkier hair. My hair always looks and feels better after I color. Good luck!
3a/b, fine texture, low porosity, normal elasticity, mod-CG 7/11/11

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CO: CJ Curl Rehab, CJ Argan & Olive Oil, Renpure Argan Oil, YTCucumbers, Sevi Pumpkin
Style: AIF, HESMU, Biolage gelee, KCCC
LOOB for second day hair


Like BS/ACV rinses, limit protein/humectants.

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