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Sally Hansen Nailgrowth Miracle® Serum is a breakthrough nail treatment designed to support fast natural nail growth, while it perfects cuticles. The serum works with concentrated peptide formulas that are enriched with biotin for long-lasting nails. This brittle nail treatment helps make nails resistant to damage as they grow, and miraculously soft and smoother instantly! With this emergency treatment, see up to 59% longer nails in just 2 weeks!* *Based on fixed point nail measurement in 2 weeks To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.







