Paraben是一大類后綴paraben的防腐劑統稱。所以還是得具體分析。有些paraben是相對安全的，有些被禁止，不能一杆子打翻一船人。
http://www.cosmeticsinfo.org/paraben-information
"In the meantime, consumers should avoid long-chain parabens – butylparaben, propylparaben, isopropylparaben and isobutylparaben – by reading product labels and using EWG’s Skin Deep® to find products with safer ingredients."
from EWG
http://www.ewg.org/enviroblog/2015/11/common-preservative-in-personal-care-products-linked-breast-cancer