Final answer:
Lowlighting is the technique of dying strands of hair a darker color than their natural tone to create depth. The correct answer to the student's question is c) Lowlighting. Other techniques, such as highlighting, balayage, and ombre, serve different coloring purposes.
Step-by-step explanation:
Hair coloring is a common cosmetic practice for various aesthetic purposes including covering gray hairs, shifting to a trendier shade, and correcting discoloration from the sun or chemical treatments. Within hair coloring techniques, lowlighting refers to tinting strands of hair to a shade darker than the natural color. This is typically done to add depth and dimension to the hair, creating a more natural-looking contrast.
The other options listed have different effects: highlighting means lightening strands of hair, balayage is a technique for painting on the dye to create a graduated, more natural-looking effect, and ombre is a style featuring a gradation from dark to light.
For the student's question, the correct answer is c) Lowlighting. This technique involves dyeing some strands of hair a darker color than their natural tone, introducing rich, deeper hues and enhancing the hair's overall dimension and depth.