11
Pigment Changes
Silk’n™ targets the hair shaft, in particular the pigmented cells in the hair follicle and the hair follicle itself. Nevertheless there is risk of temporary
hyperpigmentation (increased pigment or brown discoloration) or hypopigmentation (whitening) to the surrounding skin. This risk of changes in skin
pigmentation is higher for people with darker skin tones.
Usually discoloration or changes to skin pigment are temporary and permanent hyperpigmentation or hypopigmentation rarely occur.
Excessive Redness and Swelling
In rare cases treated skin may become very red and swollen. This is more common in sensitive areas of the body. The redness and swelling should subside within
2 to 7 days and should be treated with frequent applications of ice. Gentle cleansing is OK, but one should avoid exposure to sun.
Infection
Infection of the skin is exceedingly rare but is still a possible risk following a skin burn or wound caused by Silk’n™.
Bruising
Very rarely, use of Silk’n™ may cause blue-purple bruising that can last 5 to 10 days. As the bruising fades, there may be a rust-brown discoloration
of the skin (hyperpigmentation) that can be permanent.
3.1. How does light remove hair?
Light-based hair removal is based on the theory of selective photothermolysis in which optical energy is used to disable hair growth. In order to achieve
such thermal effect the hair shaft needs to selectively absorb light energy and transform it into heat. This selectivity is achieved when optical energy that
is delivered to the tissue is mostly absorbed by hair shaft pigment, while the skin and the surrounding tissue stays cool. Melanin is the pigment in the
hair shaft that is responsible for the absorption of the light, which generates the heat that eventually disables hair growth. Therefore the more melanin
present in the hair (i.e. the darker the hair) the more light that can be absorbed and the more effective light can be at removing hair.
After Silk’n™ Application
During Silk’n™ pulse
Before Silk’n
™
Application
3. Long Term Hair Removal the Silk’n
TM
Way
3.2. How does the hair growth cycle impact light-based hair removal?
Every hair in our body goes through the three phases of the hair growth cycle: Anagen, Catagen and Telogen. These phases have an important impact
on how the process of light-based hair removal works.
Anagen is the hair growth phase while Catagen and Telogen, both are resting phases.
The time it takes to complete a full hair growth cycle varies from person to person and the location of the hair on the body, but is typically 18-24 months.
Содержание Silk'n
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