Which technique effectively minimizes bulk in thick hair?

Thinning or texturizing is the technique that effectively minimizes bulk in thick hair. This method involves the use of specialized shears or razors to remove some of the hair's density without significantly altering the overall length. By selectively removing hair from various sections, thinning creates a lighter, more manageable look while maintaining the shape and style of the hair. This is particularly beneficial for clients with thick, coarse hair that may otherwise appear bulky or heavy.

In contrast, layering primarily focuses on creating different lengths throughout the hairstyle, which can add movement and shape but doesn't specifically target the bulkiness caused by density. While layering may help with weight distribution, it doesn’t reduce the overall thickness of the hair as effectively as thinning or texturizing techniques.

Flat ironing and blow drying are styling techniques that can temporarily alter the appearance and manageability of thick hair but do not actually remove bulk. Flat ironing can help smooth and straighten the hair, while blow drying can enhance volume or reduce frizz, but neither directly addresses the core issue of excessive thickness in the hair itself.