Volume generally refers to the fullness or lift in hair. Products like volumizing shampoos, conditioners, mousses, and sprays can help create the appearance of thicker, more voluminous hair. Techniques like backcombing and using large rollers can also add volume.

In the context of beauty, 'volume' typically refers to the fullness and body of hair. Products designed to increase volume aim to make hair look thicker and more lifted, rather than flat or limp.

The volume controls on your phone are usually located on the side of the device as physical buttons. You can also access volume settings within your phone's settings menu, often under 'Sound' or 'Audio'.

If you're looking for hair volume, you can find products that provide it in the hair care aisle. Look for shampoos, conditioners, mousses, and sprays specifically labeled as 'volumizing' or 'thickening'.