i.e., improve your face's overall skin texture and tone, says Dr. Garshick. Our experts recommend using a high-frequency wand as a spot treatment right when you're breaking out, or smaller pimples.

Pink noise has a softer high-frequency tone and a stronger low-frequency tone compared to white noise. According to The Sleep Foundation, it calms the brain and improves memory. According to the ...

This invention generates high-frequency sounds in the high-pitched range of human hearing, composed of sound waves between 15,000 and 20,000 cycles per second, which can annoy younger people but ...

Pink noise has a softer high-frequency tone and a stronger low-frequency tone compared to white noise. According to The Sleep Foundation, it calms the brain and improves memory. According to the ...