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 →

Rating

★★★★★

Category rank

#16

Regrowth Efficacy

Fuller, longer lashes in 8–12 weeks

—

Irritation

Ophthalmologist tested; rare irritation reports

—

Cost per Month

$22.67/month (mid-premium tier)

Excellent cost per oz at $3.24 / $2.91

Peptide Potency

Multi-peptide + biotin, pantothenic acid, amino acids

—

Clean Formula

Prostaglandin-free, fragrance-free, cruelty-free

—

Ease of Use

Precision brush, once-daily application

—

Verdict

Premium peptide serum with clinical backing and proven community trust

Best-value pure castor oil for scalp and curl hydration.

Affiliate link — we may earn a commission