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
#32
Regrowth Efficacy
Fuller, longer lashes in 8–12 weeks
Noticeable fullness/tint immediately; growth ~8–12 weeks
Irritation
Ophthalmologist tested; rare irritation reports
Generally well-tolerated; rare irritation reports
Cost per Month
$22.67/month (mid-premium tier)
$18–75/month travel format; mid-range for category
Peptide Potency
Multi-peptide + biotin, pantothenic acid, amino acids
Multi-peptide + castor oil, biotin, panthenol
Clean Formula
Prostaglandin-free, fragrance-free, cruelty-free
Prostaglandin-free, peptide-based, no known irritant flags
Ease of Use
Precision brush, once-daily application
Precise angled brush; once-daily application; fiber product requires care
Verdict
Premium peptide serum with clinical backing and proven community trust
Trusted brow brand, dual-action formula, value-friendly travel size
Affiliate link — we may earn a commission