I am high porosity, fine, high density and going on four months for my TWA. I find that getting my hair under a shower with warm water daily regardless if I use water only, co wash or shampoo loosens my hair a lot and keeps it from being dry as the desert. In the past as a natural my hair suffered a lot from SSKs especially when I would detangle whether with my comb or used my fingers and it was because I needed to go under the shower more often not just once a week. It was my great ah ha moment to realise that warm water on a regular basis worked wonders for my hair. I even now detangle my hair without having to use conditioner or a detangler but under the shower gently but sometimes I use my conditioner after I am almost washing it out and detangle using that method too and I have no problems. If I feel a little snag I just put my hair under the shower head and then the comb glides through.
I think if you are new to getting your hair used to using warm water on it to soften your high porosity hair, it could take two months. It took me three months before I could actually see the difference. And you can tell that your hair is fully saturated because of the way your hair feels. Water doesn't glide off.
I do not think that you need to use baking soda. Baking soda proponents say it lays down the cuticle better. In any event, I didn't use it and my hair took to my daily washing routine very well.
Now the biggest problems with TWAs are keeping that moisture going once your washing is finished. My hair can dry in my front edges in ten minutes and the rest of my hair in two hours. I think piling on products makes the situation worse. I also found that using oil stopped working for me because my sebaceous glands got used to my daily washing water habit so my natural oils kicked in.
For me, I just use something very light (diluted kinky curly knot today) once my hair is dripping wet and then I don't think about it. I don't comb it or keep touching it again as it has already been detangled in the shower and I don't want frizz. If I want my tiny curlies to pop I may use some gel but to be honest, I am not a fan of gel even the natural varieties.
Many women who are TWA think that their hair should feel greasy or have a jherri curl like feel to know that it is soft. But if your hair is getting adequate moisture from the warm water in the shower an indicator that you are on the right track is that you lose virtually no hairs when you detangle and have virtually no SSKs. And that is important because it means you will retain all your inches. If you comb your hair and see lots of hair in the comb that is like a daily hair cut. We can try and avoid this by combing less but I can assure you that if your hair comes out a lot unless you have a ton of hair it means your moisture game is weak. And by moisture doesn't mean products.
The TWA can be dry for those of us who are 4s because the hair is exposed to air and is not protectively styled. We can get paranoid and put too many products, use too many techniques and get panicked about using the right shampoos and conditioners.
When the hair becomes longer and your hair gets used to being exposed to warm water whether it is daily or every two or three days, you can then incorporate a heavier leave in that will be good for your entire hair and ends. I think in another six months I will be able to braid my hair in big braids which will lock in the moisture more and then I may be able to spritz with warm water daily and then go under the shower every two to three days.
Best,
Almond Eyes