Vichy Deo Bille Anti-Perspirant All Black is a 50ml roll-on deodorant designed for effective 48-hour protection against perspiration and odor. This black-themed antiperspirant formula is dermatologically tested and suitable for sensitive skin. The roll-on format allows for smooth and even application. As a Vichy product, it contains the brand's signature mineralizing thermal water to help soothe and strengthen the skin barrier. The formula is developed to be fast-drying and non-sticky, leaving no white marks on dark clothing. For best results, apply to clean, dry underarms.