Lash Serum Lab exists because the lash-serum aisle is full of bold claims
and short on evidence. We test the leading eyelash serums the same way,
report what we find, and explain the science in plain English — so you
can choose with confidence.
Our editorial principles
We test the same way, every time
Every serum goes through one protocol — a 12-week wear test with standardized photography, lash measurement, and a daily side-effect log. See our methodology for the full process.
Safety is weighted heavily
We read every ingredient list line by line and flag prostaglandin analogs, which carry real risks. Products that achieve results without them rank higher for our general audience.
Rankings are never for sale
No brand can pay for placement or a better score. If a product underperforms, we say so — our lower-ranked reviews are proof.
We disclose how we earn
We use affiliate links: if you buy through them we may earn a commission at no cost to you. This never influences our scores, which are set before any link is added.
Who writes and reviews our content
Dr. Elena Marsh
Lead Reviewer & Board-Certified Dermatologist
Dr. Elena Marsh is a board-certified dermatologist with over twelve years of clinical experience treating hair and lash conditions, including hypotrichosis and madarosis. She leads testing and editorial standards at Lash Serum Lab, where every serum is evaluated against the same protocol before it earns a score.
Lash Serum Lab is reader-supported. When you buy through links on our site we
may earn an affiliate commission at no additional cost to you. We only
ever link to products after they've been scored on merit — commissions
never affect our rankings or verdicts. This is how we keep the site free
and ad-light.
Corrections & updates
Prices and formulations change. We update reviews periodically and show a
"last updated" date on each one. Spot something inaccurate? Email
hello@lashserumlab.com and
we'll review it.
Medical disclaimer
Our content is for informational purposes only and is not a substitute
for professional medical advice. Always consult a licensed physician or
ophthalmologist before starting any eyelash serum, especially if you wear
contact lenses, are pregnant or breastfeeding, or have a history of eye
conditions.