Spec-by-spec
Head to head
Contenders from Lash & Brow Serums, every metric lined up. The winning value in each row is outlined.
Price
Check price on Amazon →
Check price on Amazon →
Rating
★★★★★
★★★★★
Category rank
#3
#36
Regrowth Efficacy
Fuller, longer lashes in 8–12 weeks
Reported growth in 2–4 weeks; varies by user
Irritation
Ophthalmologist tested; rare irritation reports
Prostaglandin-free; mild irritation rare but possible if serum enters eye
Cost per Month
$22.67/month (mid-premium tier)
$17.09 (Prime); $23.40 (Subscribe & Save); mid-range per-month cost
Peptide Potency
Multi-peptide + biotin, pantothenic acid, amino acids
Multi-peptide + biotin, caffeine, niacinamide, botanicals
Clean Formula
Prostaglandin-free, fragrance-free, cruelty-free
Prostaglandin-free, vegan, botanicals; minimal irritants
Ease of Use
Precision brush, once-daily application
Fine-tip applicator, once daily at lash line; straightforward routine
Verdict
Premium peptide serum with clinical backing and proven community trust
Affordable, prostaglandin-free lash serum with decent peptide support
Affiliate link — we may earn a commission