Product categories: Makeup
Makeup and lash/brow products, with a focus on treatment claims such as lash growth and "skincare-infused" formulas.
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C Plausible, thin evidence
Lash serums that ‘work’ and why: the prostaglandin question, the EU safety verdict, and four labels graded
The lash serums with dramatic before-and-afters usually contain a prostaglandin analogue, a cousin of glaucoma drugs. In February 2026 the EU’s scientific safety committee…