ニュートロジーナ ヘルシーラッシュ＆ブロウ エンハンサー セラム ユニセックス 大人用 ビオチン＆ペプチド配合；まつげと眉毛の見た目を引き立てる栄養補給＆コンディショニングセラム、0.08オンス

My brows have definitely filled in some sparse spots after three weeks of consistent use, and the serum doesn't irritate my sensitive eyes at all. The biotin and peptides formula feels light and absorbs quickly without any sticky residue.

I’ve been using this serum for about a month now, and my lashes definitely look thicker and feel softer, not brittle. The biotin and peptides seem to make a real difference without any irritation.

I've been using this serum for a month now, and my lashes definitely look thicker and less brittle—the biotin and peptide formula seems to really work. It's easy to apply with the tiny brush too, even on my eyebrows.