7 Top-Reviewed Lash Serums to Try Once Your Lash Extensions Fall Off

Most reviewers said they saw results in about two weeks — so this serum works it magic quickly. Formulated with polypeptides, amino acids, biotin, panthenol (aka vitamin B5), this nourishing serum improves the appearance of lashes and makes them stronger than ever before. It's also fragrance-free, which is great for those with allergies and/or sensitive skin.

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