Saltair 5% AHA Serum Deodorant (50ml) is an aluminum-free, baking soda-free roll-on that combines mandelic, lactic, and PHA acids with niacinamide to combat odor for up to 48 hours. It exfoliates, smooths, and helps reduce ingrown hairs and discoloration, making it ideal for sensitive underarms. It's praised for its skin-friendly formula and long-lasting freshness. Let it dry fully after applying to avoid stickiness.