KMS HairStay Anti-Humidity Seal is a lightweight shine spray that acts like an umbrella for your hair, shielding it from humidity and frizz for up to 72 hours. Formulated with flexible sealing compounds and humidity-blocking Dimethicone, it helps maintain sleek, frizz-free styles while adding a weightless shine. Ideal for finishing any look, this Anti-Humidity Seal keeps your hair protected and polished without weighing it down.