London, Feb 25 (IANS): It's a known fact that women dedicate good number of hours on their appearance. Now, a study reveals they spend around 6.4 hours per week on their looks.

The research, conducted by The Today Show and AOL, found that men spend only 4.5 hours on their appearance per week, while a female's average is 6.4 hours, reports dailymail.co.uk.

Teenagers spend as high as 7.7 hours per week on their looks.

The survey, which polled 2,000 adults and 200 teenagers, also discovered that 60 percent of adult women have negative thoughts about themselves at least once a week, compared to 36 percent of men.

It was also found that female participants' main concern was the stomach, with 69 percent calling it their "bodily obsession". Other women polled said that they were most self-conscious about their skin (40 percent), thighs (39 percent), hair (32 percent), cellulite (29 percent), and their buttocks (29 percent).

As many as 52 percent men worry about their stomachs, followed by thinning hair (24 percent), and then skin issues (23 percent).