2b•fine•normal/low porosity•normal elasticityI have used olive oil as a pre-cleansing conditioning treatment for my hair. I have used both refined and first cold-pressed olive oil. I don't recall a significant difference in performance. [As a side note, I no longer purchase standard refined olive oil. Search Youtube for the video "How it's Made: Canola Oil". The same process applies to all refined cooking oils. Disgusting!]I found Olive Oil a little bit easier to get out of my hair than Coconut Oil, but not by much. I put it on damp hair and wait about an hour for it to penetrate and condition my hair. I'd give it an 8 out of 10 for conditioning. I need a vigorous sulfate-free shampooing to remove it. It leaves my hair shiny and soft. I personally would not use Olive Oil as a leave-in or a styling aid. It is too heavy and would weigh my hair down.
My hair is 2b, fine, thin, porous.Olive oil is too heavy for me to use straight. Just before I started CG, I tried using olive oil straight. A sulfate shampoo only removed part of the olive oil from my hair. I was a little greasy for a few days. I add 1 1/2 tsp to my gelatin protein treatment. I have also added some to conditioner (added each time I used the conditioner) to make it more moisturizing. I like olive oil for my hair, but I have to be cautious. I'll add that I'm able to use more oil before the conditioner step then most fine haired wavies.
My hair is 2c, fine, medium density, medium porosity, low elasticity.Olive oil is too heavy for me by itself. I have tried using it as a pre-poo, and leaving it in for a longer time as well for a DT. Either way, it is much too heavy. I don't really have a problem removing the oil with a low-poo or conditioner afterwards, and my hair doesn't look or feel greasy after using it, but my curls are really limp and look seriously overconditioned. The only way I can use it is about 1 tsp in my gelatin protein treatments (although I almost always opt for a lighter oil).
2c with 2a &b mixed in, normal fine, normal thin, porousLet me start by saying that my hair really doesn't get weighed down that easily. I can also use much more oil and heavier oils than most wavies.I can use small amounts of EVOO straight, and it works OK. But I just don't like it as much as some other oils. It tends to make me look stringy or greasy more often than other oils. I don't like to use it for pre-poos treatments. It is very hard to remove from my hair (usually have to low-poo a couple of times). I can use it mixed with other oils in hot oil treatments just fine. I can also use mixed just like I do with other oils in the gelatin protein treatment, deep treatments etc. It does not work well as a sealant or frizz serum for me. Even small amounts used in this way will make my hair stringy or greasy looking.My favorite way to use it is in hot oil treatment mixes. It does absorb into hair some, though not as much as coconut oil for me. But it also leaves a bit of a coating. So when I mix coconut oil and EVOO, the coconut oil absorbs into my hair conditioning it, while the EVOO leaves a little on the hair shaft to help hold in the coconut oil. Since it's mixed with another oil, it shampoos out more easily than if used straight for me.