Article in English: Blow-dry your hair for another minute carefully to set your straightened hair. You can use a thick brush to guide your hair in a straight motion if you prefer. This helps keep your hair straight all day. Anti-frizz serum that contains silicone is especially effective at keeping hair straight after flat ironing. If you live in a climate prone to random bouts of moisture, carry an umbrella with you in case it starts to rain or mist heavily. External moisture will cause your hair to become frizzy again.

Summary in Chinese:
将吹风机的气流设置到最低档。 使用一款拉直过后的护发喷剂或是一个特定的喷雾来保持你的头发一整天顺直。 随身携带一把伞。