amika brand Smooth Over Frizz-Fighting Hair Treatment Mask 6.7 oz 200 ml Full Size 60-second in-shower rinse out smoothing treatment that instantly reduces frizz by 73 percent—even in high humidity—for 2.2x smoother hair that lasts up to 72 hours. After cleansing and conditioning, squeeze excess water from hair. Fully saturate hair from mid-lengths to ends. Wait one minute. Rinse. Smoke-free and Pet-free. I ship same day or next business day. Poshmark only offers 2 Day Priority Mail so delivery is relatively quick. Bundle for savings.