How to darken your gray hair naturally
How to Reverse Gray Hair, According to Scientists | Mashable
Timecodes:
multi-billion dollar hair coloring
industry might be in for a bumpy ride
ahead
it's generally always been assumed that
once hair goes grey it stays that way
but a new study might be calling that
into question
the study is from researchers at
columbia university
and it's the first study of its kind to
find evidence of
natural repigmentation aka the
possibility of actually reversing
gray hair it could be huge news
but there's a lot more we have to figure
out so we'll recap
the researchers set out to make a
computer model of how hair turns gray
both in response to age and also with
stress
first they identified 323 proteins that
tell us whether a hair was gray
white or colored at any point in history
then they snipped colored and gray hairs
from 14 participants
who rated how much stress they felt in
the last year because we know there's a
connection between
graying and stress what we didn't know
at least until this study
was that the reverse might be true which
means de-stressing could actually bring
the color back
that would be so great for my hair the
study looked at the protein history of
the hairs and the history of the person
that hair belonged to
in terms of stress level turns out some
normal colored hair that had been gray
in the last year due to stress
went back to normal when life stress was
low a lead author on the study
noted that they were especially
surprised how impactful one type of
de-stressing event
just taking a vacation could be on the
reversal of gray hair
they pointed out that after one
participant went on a two-week vacation
five of their hairs regained color
afterwards but before
everyone starts booking a vacation and
before the tourism industry starts
exclusively catering to people with gray
hair
there's a lot we still need to nail down
about the science
for one thing more studies are needed to
see if the recoloring effects can
actually
happen after the age of 40. it didn't
for the participants in the columbia
study
at a cellular level when hair regains
color
it's all about stem cells swinging into
action
we're in the golden age of stem cell
research but
hair is a relatively new focus partly
because we had no idea they were
powerful enough
to potentially recolor our graying hair
melanocytes are the type of stem cell
that lives in our hair follicles
some studies suggest there's a limited
amount of melakinites up there
when they're done so is your hair color
but for now it's only been shown in mice
melanicites may also be replenished by
transient stem cells
which might account for the
re-pigmentation columbia researchers
found in humans
for now there's a lot more study needed
but if other people
are able to replicate the findings the
implications are huge
science might one day find extreme
commitment to de-stressing
can reverse hair color loss at any age
or we might develop new stem cell
therapies to reverse our melakinites in
later life
and outside of the conversation about
gray hair there is one thing we know for
sure from study after study
we're all way too stressed and it's not
optimal for employees or
employers another eye-opening piece of
research that came out in 2020 found
that
a five-hour work day was optimal for
productivity anything
longer than that and you start to burn
people out in the long run
the findings from the world's largest
trial of a shorter work week were
published too
and predictably people were happier
healthier
and more productive go figure so maybe
one day your manager will
inspect your head for gray hairs before
sending you off on your mandatory
vacation
for now though we're still waiting to
learn just a bit more
give regards to your melakanites in the
meantime
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