Eco-savvy Wicker Park salon makes cuts a feel-good affair.. Socially conscious beauty buffs in search of hip cuts frequent this chill salon, which is cheerily flooded with light from floor-to-ceiling windows. While waiting for hair and makeup appointments, it’s hard not to splurge: Zero-impact, sustainable products from Davines, displayed upon wavy, corrugated cardboard shelves to the left of the reception desk, are pampering yet guilt-free. Services, including signature scalp treatments, begin at sinks, separated by earth-toned, silk shantung curtains, then move onward to stylist stations with comfy leather chairs. Mirrored partitions help suppress noise when the shop gets busy (which it tends to be on weekends).…