Category: 美白筆
GuruNanda 美白凝膠筆是一款即開即用的口腔護理產品，方便隨身攜帶進行牙齒美白。採用過氧化氫和薄荷醇配方，使用感受清新舒適。
I was skeptical about whitening pens, but the menthol actually makes it feel fresh rather than harsh. The gel goes on clear and dries fast, so I just toss it in my bag and use it after lunch without any mirror drama. Two weeks in and my coffee stains are noticeably lighter.
The little brush tip makes it so easy to swipe on the gel without any mess, and the menthol gives a fresh tingle that fades quickly. I've been using it after coffee at work and can already see a subtle brightening after a week. The 1.8mL tube fits perfectly in my pencil case, so there's no excuse to
