: Retailers like Nordstrom often sell "Duo Sets" (a $190 value for $95) during major sales events, which is essentially a buy-one-get-one-free deal. neuLASH® lash enhancing serum

: Some reviewers on platforms like Amazon and Nordstrom have reported receiving empty or tampered tubes; always check that the seller is an authorized retailer.

: A primary retailer for the brand, offering both individual serums and exclusive Lash Enhancing Serum Duo Sets .