Which technique is commonly used to straighten wavy hair temporarily?

Flat ironing is a widely used technique to temporarily straighten wavy hair due to its effectiveness in altering the hair's texture quickly and efficiently. When a flat iron is applied to the hair, it utilizes high heat and smooth, flat plates that clamp down on sections of hair, thereby breaking down the hydrogen bonds that give hair its wavy shape. This process realigns the hair strands to create a sleek and glossy finish, making it ideal for those seeking a straight look without permanently altering their hair structure.

In addition, flat ironing provides the flexibility to achieve varying degrees of straightness, depending on the number of passes made over the hair and the heat setting used. This versatility makes it a favorite among hairstylists and clients alike. The results can last until the hair is washed, allowing for temporary styling preference.

Other techniques like keratin treatments involve chemical processes for more permanent changes, while curling irons are primarily designed to create curls rather than to straighten hair. Blow drying can help smooth out hair but often requires combing or additional tools to achieve the same sleekness that flat ironing offers. Thus, flat ironing emerges as the most effective method for temporarily straightening wavy hair.