Higher porosity hair doesn't necessarily need to be more 'moisturised' it needs to be more conditioned, perhaps increase elasticity and reduce porosity. You signature looks to be wall to wall humectants (propylene glycol, glycerin, aloe vera, honey).
The Curl Whisperer on Humectants and Humidity | Curly Nikki | Natural Hair Styles and Natural Hair Care
Silicones are anti humectants/ cuticle sealants/ occlusives, if you liked the effect of those maybe that indicates you need to look for comparable CG friendly ingredients. Vinegar also help the cuticle lay flat, the opposite of overusing humectants.
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.
Treatments: Komaza protein, Komaza Matani, coconut oil with sugar syrup. Hairveda Sitrinillah
Leave in: Fructis Sleek & Shine (old), Gliss ultimate volume
Styler: Umberto Giannini jelly, Boots curl creme, Rockin RInglets
Experimenting with: Mega-Tek, Curl Harmony reviver, Elvive Full Restore 5.