2026-08-24

Lash Serum: A Growth Product with Pitfalls

A recent investigation by the Karlsruhe Chemical and Veterinary Testing Institute found that 38 of 71 eyelash and eyebrow serums contained unsafe prostaglandin analogs, with six products failing to list these ingredients on their labels. This highlights a critical gap in safety oversight for cosmetic growth products, requiring brand owners and distributors to verify ingredient transparency and compliance to protect consumer health and brand reputation.