The quick answer to “does trimming hair make it grow faster” is no, it doesn't. Hair growth starts at the scalp, so trimming off the dead ends doesn't actually make it grow faster. However, it makes it grow healthier, which is crucial if you want long luscious hair.
We hate to break it to you but, no, trimming your hair won't promote hair growth in any way. It's just a myth that we've heard a lot of people talking about, and took it on the face value without fact-checking.
After haircut
According to the American Society of Dermatology, after a hair cut in an average healthy person, it is usually a month to regrow your hair back by half an inch. If you are a female and lost inches of hair in a haircut, remember it takes almost a year to regrow about six inches of new hair.
One you've probably heard growing up, is that cutting your hair shorter will make it grow longer. Sounds counterintuitive, right? Turns out, it won't make your hair grow faster (knew it).
By removing damaged hairs, haircuts promote healthy hair growth and stops the spread of split ends through the strands. This allows long-term hair health with less need for expensive products or conditioners. It is recommended to trim hair once every four months to maintain perfect hair health.
To maintain your length, aim for a trim every eight to ten weeks. If you are trying to grow your hair longer, you can get away with trimming your hair every 12 to 16 weeks. This however, is completely dependent on how healthy your hair is.
If you want to keep your hair at the same length, get it cut every 6 to 8 weeks. But if you want to grow it a little longer, cut it every 8 to 12 weeks.
Your Hair "Stops Growing."
"By not cutting your hair, you are actually risking the length rather than letting it grow," says Bivona. It seems counterintuitive, but by frequently trimming your hair, you'll prevent breakage by removing the dead, fragile ends.
Ignoring these perceptual differences, human hair grows at a fairly consistent rate of about half a millimeter per day, or about half an inch each month (more specifically, the study says hair grows at 0.44 mm per day).
How fast does hair grow in a week? No matter how much you wish for your hair to grow, it's only reaching two to five millimeters per week, says Dawn Clemens, hairstylist and Founder of LarweHair.
Hair grows about 1/2 inch per month on average , So it will take 2years for 12 inches.
The average rate of hair growth is between 0.3 and 0.4 millimeters per day, or between 0.5 and 1.7 centimeters per month, or roughly 6 inches per year. Everyone's hair is unique and a variety of factors can affect how quickly it grows.
Trimming the ends of your hair has no influence on how fast or slow your hair will grow. Your hair follicles control your hair growth, and the speed at which your hair grows is predominantly determined by genetics.
— but on average, hair grows about half an inch over the course of a month. That being said, it's not unusual for hair to grow as little as a centimeter or as much as an inch in a month. A number of factors can influence hair growth, some of which you can control and others you can't.
Typically, men should get a haircut every two to three weeks, but if you're doing a tight fade (or something similar that needs extra detail) every two weeks should more than do the trick. Definitely no less than once a month as your hair is gonna' get pretty crazy and out of shape if you wait that long.
Unless you are growing your hair longer, with medium and long hairstyles you should be getting a trim every 6-8 weeks to maintain its length and style. If you are aiming for Rapunzel long locks, you can wait a bit longer to let your hair grow out, getting a trim every 8-10 weeks to help prevent damage from split ends.
The hairs on our heads grow about half an inch per month and have an average life of two to six years. From this, you can figure that an average person's hair should grow no longer than 3 feet or so.
On average, hair grows about half an inch per month. So, in two weeks, you can expect your hair to grow about one-quarter of an inch or half a centimetre every two weeks.
We'll cut straight to it: On average, hair grows at a rate of about half an inch per month, or six inches per year. Each hair on your head grows from an individual follicle.
"It can be effected emotionally through stress and anxiety and from lack of the correct nutrients within the body, but shaving [off your hair] won't make it come back better or stronger."
Get a trim
Even if your hair isn't very long, split ends can make hair hard to style and contribute to it feeling dry or coarse. Visit your stylist and trim off hair that's unhealthy and weighing down fresh hair growth. While you're there, ask the stylist if they have any tips for your particular hair type and length.
Genetics. Sometimes, hair growth and health is just dependent on genetics. Everyone has a cycle of hair growth specific to them. Hair stops growing once a certain amount of time has passed, not once it reaches a certain length.