These sponges are described for use with liquid and cream formulas as well as with powder cosmetics.
Common shapes and tip types include rounded/egg-like and oval bodies, angled or flat edges, and pointed or dual-pointed tips — each is described as aiding blending or reaching facial contours for more precise application.
One product description recommends replacing sponges every 30 days, while review summaries note that some users report using sponges for months before replacing them. Replacement frequency therefore varies across products and users.
Sponges described as hydrophilic or made from latex‑free foam are said to keep liquids and creams on the surface, which manufacturers describe as reducing makeup absorption and waste.