Don't be confused! Note that Curlyinthefog
and I both used the word 'may'.
You won't get much if any aBsorption in that time, but you might well get aDsorption, how much highly variable due to the differences in our hair. My hair eats protein at the moment, but I do have chemical treated/ damaged hair so that is not surprising. No doubt some would be quickly overproteined with the same regime.
Furthermore gelatin is not a homogenous substance, some brands will be smaller and some larger molecules. There will also be variation in the recipes used: which conditioner, how much of the additives, how thick or thin we spread the mix and so on. Some will be applying after an anionic shampoo, some after a cationic conditioner wash ....
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