[RESEARCH] Niacinamide and salicylic acid was found to reduce pore size. Plus references to more research pertaining to niacinamide. It includes pics that look impressive!

Beauty Tips For Body Care
https://static1.squarespace.com/static/57330ac21d07c0d298ec51e3/t/586e4a743e00bed6a0bdef31/1483623030643/ch10.pdf
Girls Blog 2015
Submitted by aquajack6