What kind of alcohol? Ceatryl (spelling?) alcohol is a moisturizer. Alcohol denat. is a drying alcohol, as is SD Alcohol. List the alcohols in the products and we can tell you if they're an issue, but looking at your signature (assuming it's accurate), I don't see any problem products off the top of my head.
fine, thin, normal/(low?) porosity. Mod-CG. Usually I can't co-wash more than 1x a week, & sometimes I have to use T-Gel in rotation due to scalp issues.

Co-wash: VO5 Volumizing
Poo: Giovanni 50:50
RO:TN, Nexxus Youth Renewal, Alba Coconut
PT: gelatin PT, ION EC
Stylers: Giovanni mousse, TIGI Curls Rock amplifier (a-cone), Curls Rock Strong Hold Mousse
Gels: SCC spray gel