They do indeed: both lauric acid and oleic acid are the right size and shape to penetrate, that is why I suggested those oils as additives.
If you are referring to the Curly Kinks the natural oils are right at the bottom of the ingredients list, unlikely to be anywhere near enough to be a serious 'active'. Glycerin and panthenol are often used at around 2%, the oils are even further down.
2a-2c, medium texture, porous/ colour treated. Three years CG, growing out mechanical and chemical damage = breakage and very high porosity. Past armpit length heading for waist.
CO-wash: Inecto coconut
Treatments: Komaza Matani, coconut oil, Hairveda Sitrinillah
Leave in: Fructis Sleek & Shine (old), Gliss ultimate volume, Inecto argan
Styler: Umberto Giannini jelly, Boots Essentials gel
Experimenting with: going back to basics