1. Introduction
As an essential tool for daily hairdressing, the “cold air button” function of the hair dryer is often overlooked. In fact, cold air can not only protect the hair quality, but also is the key to styling. This article will systematically analyze the working principle of the cold air button, the correct use method and its importance in hair care, to help you blow your hair scientifically and have shiny and smooth hair.
2. The core role of the cold air button
1. Protecting the hair structure
When the hair is blown by hot air, the hair scales will open, and the moisture will be easily lost, resulting in dryness and frizziness. Cold air can promote the closure of the hair scales, lock in moisture, reduce heat damage, and maintain the smoothness and luster of the hair.
2. Fixing the hairstyle
When the hot air blows the hair, the hydrogen bonds inside the hair are temporarily broken, and the cold air helps the hydrogen bonds to recombine to ensure that the style is long-lasting and not easy to deform. Without cold air styling, the hairstyle is easy to collapse or become messy.
3. Enhance gloss
Closed hair scales make the hair surface smooth, light reflection is more even, and hair looks brighter and more shiny.
3. Scientific hair blowing steps
1. Pretreatment
Press the hair gently with a towel to remove excess moisture, and avoid rubbing hard to cause damage to the hair scales.
2. Quickly dry hair with hot air
Turn the hair dryer to the hot air setting, keep a distance of 15-20 cm, and blow dry the hair in sections until it is 70% to 80% dry. Use hot air to open the hair scales for easy shaping.
3. Finish with cold air
Switch to the cold air setting and blow the hair evenly, especially at the roots and ends of the hair, to help close the hair scales, shape the hairstyle, and reduce frizz.
4. Shape with a blower
Use the blower to concentrate the wind force, and use a round comb or fingers to blow along the direction of the hair to create a natural and smooth hairstyle.
4. Common misunderstandings and suggestions
| Misunderstandings | Fact analysis | Suggestions |
|---|---|---|
| Use only hot air to blow dry | It is easy to cause dry hair, split ends, and the hairstyle is not durable | Use hot air and cold air alternately to reduce heat damage |
| Cold air alone has poor effect | Cold air is slow to dry and has limited styling effect | Use hot air to dry hair quickly first, then use cold air to style |
| Natural air drying is healthier | Wet hair is prone to cold if it is left wet for too long, and hair scales are prone to damage if they are left open for a long time | Use a hair dryer to blow dry properly to avoid wet hair for too long |
5. Practical application and effect of cold air button
- Improve hair gloss: Experiments show that the gloss of hair styled with cold air is significantly improved, and the ends of the hair are smoother.
- Enhance the durability of the hairstyle: Cold air helps hydrogen bonds to recombine, so the hairstyle lasts longer and is not easy to collapse.
- Reduce heat damage: Cold air reduces moisture loss in hair, reducing dryness and breakage caused by high temperature.
The beauty of hair depends not only on external styling, but also on scientific care. Reasonable use of the cold air button of the hair dryer can not only protect the hair quality, but also make the hairstyle lasting and beautiful. Every time you blow dry your hair, it is a gentle care for yourself, just like the delicate description of the poet, the details make extraordinary achievements.
