Scroll through
TikTok and Instagram for long enough, and you will likely find
someone scraping, brushing, or massaging their skin in pursuit of better health
or an enhanced appearance. Testimonies abound — about body scraping to loosen
stiff limbs, gua sha for a sculpted jawline, vibrating facial massagers to
reduce puffiness, dry brushing for “detoxing”. Such posts have amassed tens of
millions of views on TikTok in recent years, with celebrities like Gwyneth
Paltrow and Elle Macpherson attesting to their effectiveness.
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All of these trendy techniques center on the same
concept: promoting the circulation of a colorless, watery fluid called lymph,
which ferries white blood cells to and from the body’s organs and transports
waste from cells and tissues to the lymph nodes, where it is filtered and fed
back into the bloodstream. The sweeping movement of dry brushing — in which
you’re supposed to whisk a stiff-bristled brush in small circles all over your
body — and the pulses of a vibrating facial massager are supposed to gently
knead out any potential blockages in lymphatic flow. Gua sha, in which you
scrape a stone or metal tool along the contours of your face; body scraping,
which is a full-body version of gua sha that uses similar tools; and jade
rolling, in which you roll a rounded stone tool over your face, are techniques
intended to physically push, or drain, lymphatic fluid toward the lymph nodes,
where it is filtered and then moved back into the bloodstream.
Missing from the testimonies are answers to some key
questions: Do these practices actually stimulate lymphatic flow? And if so,
what results can you really expect to get?
How the lymphatic
system works
In many ways, the lymphatic system is the underappreciated sibling of the
circulatory system, less well-known and less researched than its counterpart,
said Shan Liao, associate professor of immunology at the University of Calgary
in Alberta, Canada. But it is essential for proper immune function and cellular
health. Lymph naturally builds up in the body’s tissues and then travels
through an intricate network of vessels into lymph nodes, which act as a
filtration system before the fluid returns to the bloodstream, Liao said.
Lymph is not pumped
like blood — “we don’t have a lymphatic heart,” she said, although lymph
vessels do pulse a little. They can also piggyback off the pulse of blood
vessels, using that force to help with movement. But lymph flow is mostly
generated when we breathe, stretch and move.
When lymphatic
fluid does not move through vessels correctly, it can accumulate in the body’s
tissues, resulting in swelling, or lymphedema, Liao said. This can lead to
tightness or heaviness in your limbs, a restricted range of motion, and changes
in skin thickness or coloration.
Lymphedema is mostly a problem in cancer
patients and people coming out of surgery, since lymph vessels can be blocked
by tumors or damaged by radiation therapy, and surgical incisions can sever
their connections. Additionally, about 1 in 100,000 people have genes that lead
them to develop chronic lymphedema in childhood or early adulthood. Swelling
from any kind of lymph accumulation can make people more prone to recurring
infections, especially when left untreated, Liao said, since immune cells
cannot efficiently travel to their targets.
For most people in
generally good health, sufficient lymph flow will carry on whether you
take measures to care for your lymphatic system or not.
Nonetheless,
generations of alternative-medicine practices — from traditional Chinese
medicine to naturopathy to
Ayurveda — have used lymphatic massage techniques
for “restoring balance” to the body and bolstering immune function in healthy
people. While they’re not strictly necessary for most people to maintain
health, these methods are a way for you to become attuned to the natural fluctuations
of your body, said Dr Melissa Ventimiglia, an assistant professor of family
medicine at the New York Institute of Technology College of Osteopathic
Medicine in Old Westbury, New York. They can also have immediate, albeit
temporary, effects on the appearance of your skin.
What the experts say
about lymphatic drainage
References to lymph in
traditional Chinese medicine go back 2,000 years, said Yumi Ridsdale, a Chinese
medicine practitioner in Ontario, Canada. “They of course didn’t use the words
‘lymphatic’ system — they didn’t have such a word,” but traditional Chinese
medicine emphasized the importance of lymph circulation, and contemporary
practitioners of traditional
Chinese medicine often incorporate gua sha, body
scraping, and dry brushing into their treatments.
Academic studies on how well these techniques work
are scarce, and tend to be limited by small sample sizes. The existing research
suggests that a related technique called manual lymphatic drainage massage, in
which therapists lightly rub and tap certain body parts to encourage lymph
movement and drainage, are effective for reducing swelling in cancer patients.
Other research, while also limited, suggests that gua sha and facial massage
rolling could increase blood circulation and the delivery of oxygen to the
skin, which is necessary for new cell growth.
The keys to keeping lymphatic health in balance are
the same ones that apply to your health generally: moving your body, healthy
eating, and deep breathing. When it comes to lymphatic drainage, and all the
related massage tools and techniques, use them if you enjoy them, Ventimiglia
said.
How to try it
yourself
You can massage your face and body with just your fingertips, knuckles,
or the palms of your hands, or with rollers, scrapers, or dry brushes. The best
rule of thumb for the body is to start from your toes and fingertips and move
toward your core. When dry brushing, use small circular motions all over your
limbs and abdomen.
When massaging your face, work from the midline of
your face and move up and out. Some people pull their knuckles across their
jawline or cheekbones, others recommend pushing the heels of your hands by the
sides of your mouth and rolling them up toward your temples (imagine your hand
is doing the worm as it pushes up toward your ears).
There are also a few big lymph nodes that you can help drain
by applying a little pressure, Ridsdale said: In the armpits, above your
collarbones, in your groin, and the space under your ear and behind your jaw.
Helping your lymph along is one way to take a moment to think about how your
body is feeling at any given time, Ridsdale said, adding that in her view,
“everybody should do it”.
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