Dermal
fillers are made of various kinds of natural and man-made or synthetic
materials that have been developed over the years for injection into
the skin.
As
the skin ages, it gradually loses some of its collagen and fat. These
are the materials that prevent the skin from becoming saggy. Thus, as
we age, our skin can become thinner and more wrinkled and lined. Background image provided courtesy of Q-med Limited.
What are Dermal fillers and how do they work?
Dermal
fillers help to restore our skin to its former youthful appearance.
Material is injected into the skin in areas where it needs to be
plumped up again and made to look firmer.
Fillers come in
different thicknesses, and in general, the thicker the product, the
deeper it is injected into the dermis (middle layer of the skin - see
diagram below) to help plump out fine to deep lines and wrinkles. 
Collagen
treatment has been widely used to increase the size and volume of lips
in women for a number of years, and this is still the most popular use
for most dermal fillers.
However, these products are also very
effective in both men and women in helping to fill out lines around the
lips, the lines from the nose to the corners of the mouth (nasolabial
lines), smile lines on the cheeks, as well as crow’s feet and forehead
wrinkles.
Thicker fillers can also be used to add volume to
sunken cheeks and weak chins, reshape the tip of the nose, as well as
filling out deeper acne or other scars. In addition, fillers can be
used to help reduce the appearance of veins and bones in aged hands
with thin skin.
Usually, if you need to have fillers in the
upper part of your face for movement lines associated with expression
i.e., crow’s feet, forehead and general wrinkle lines, it is usually
recommended that the fillers are used alongside injections of botylinum toxin or Botox.
Some fillers can be used to treat larger skin defects in other areas of the body.
Depending
on the area treated, and the depth of wrinkles or scars or sagginess of
the skin, your practitioner may recommend that different combinations
of types of fillers are used in order to achieve the best results.What happens during Dermal Filler treatment and how long does it take to recovery?
For instance, if bovine
collagen is recommended, you will be advised to have a skin test where
a small amount of collagen is injected into your forearm to see if you
have an allergic response. This skin test is only currently recommended
for products containing bovine collagen. Other dermal fillers can be
used without a skin test. The area injected will be checked after 2 - 3
days and again after 4 weeks to see if there is any swelling or
tenderness. Around 3% of people will have a positive skin test
preventing them from having treatment with bovine collagen.
The
practitioner should take a medical history to make sure that there are
no reasons why you shouldn’t have the treatment. Then you will usually
be asked to read detailed information and sign a consent form which
means that you have understood what the treatment may do, along with
any potential side effects from the filler(s) being used.
Photographs may also be taken by the practitioner for a “before and after” comparison of the treatment.
The
consultation, skin test (if appropriate), or maybe even an initial
treatment might happen in your first visit, if your skin suits the
filler recommended and you are comfortable in going ahead with the
treatment. If not, you will simply be given a second appointment to
begin your procedure.
For treatment of lines and wrinkles, an
anaesthetic cream is sometimes applied to the area 20 minutes or so
prior to injection. This helps to numb the area to be treated and
reduces pain when the needle is inserted into the skin.
Before
injections in the lips, a dental or lip block may be used, where a
small amount of lignocaine (an anaesthetic like the ones used by
dentists) is injected into the lip area to help to numb them prior to
treatment.
Different injection techniques are used depending on the type of filler and the area being treated.
For filling out wrinkles, the two main techniques are:
linear threading technique,
where the full length of the needle is inserted into the middle of the
wrinkle and the material is then injected while pulling the needle
slowly backwards;
serial puncture technique, where several injections are made in a line along the wrinkle or fold to lift the wrinkle;
for plumping out the face, or filling larger areas such as hollow cheeks, either a fan technique or cross hatching technique is employed.
Follow-up treatment
Depending on the type of filler used, and the area treated, top up treatments are usually required to maintain the effect.
Recovery time for Dermal Fillers
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