What
is dead skin?
The
skin is the largest organ in the human body, acting as a protective barrier
against the environment. The outermost layer of the skin, called the epidermis,
is constantly renewing itself. This process, known as cell renewal, involves
the removal of dead skin cells to make way for new ones. On average, the skin
renews itself every 21 to 28 days. However, this process can slow down due to
factors such as aging, sun exposure and lifestyle choices.
Dead
cells are the debris of skin cells that have completed their life cycle. These
cells naturally detach from the surface of the epidermis, but sometimes
accumulate, resulting in a duller complexion and a rougher texture. When dead
skin cells are not effectively removed, they can clog pores and contribute to
conditions such as acne, blackheads and dry patches.
The
role of exfoliation
Exfoliation
is a skincare practice designed to remove dead cells from the surface of the
epidermis, accelerating its renewal. This process can be mechanical (physical)
or chemical:
1. Mechanical exfoliation:
·
Physical
exfoliants: These are scrubs containing small particles such as sugar, salt or
ground walnut shells.
·
Tools:
Brushes and exfoliating gloves can also be used to mechanically exfoliate the
skin.
2. Chemical exfoliation:
·
Alpha
Hydroxy Acids (AHA): Glycolic acid and lactic acid work by dissolving the bonds
between dead skin cells, making them easy to remove.
·
Beta-hydroxy
acids (BHAs): Salicylic acid is a common BHA that is oil-soluble, making it
effective for exfoliating oily, acne-prone skin by penetrating pores and
cleansing them.
·
Enzymatic exfoliants: Derived from fruits such
as papaya and pineapple, enzymes work by breaking down the keratin protein of
dead skin cells.
Benefits
of exfoliation
1. Improved skin texture: Exfoliation smoothes and
softens the texture of the epidermis by removing the build-up of dead cells,
revealing fresh, new skin.
2. A brighter complexion: By removing dead cells that
can make skin look dull, exfoliation promotes a more radiant, glowing
appearance.
3. Unclogged pores: Regular exfoliation prevents
the build-up of dead cells, which can clog pores and lead to blackheads,
whiteheads and acne.
4. Better absorption of skincare
products:
Regular exfoliation enables serums, moisturizers and other skincare products to
penetrate deeper and work more effectively.
5. Even skin tone: Exfoliation can help lighten
pigmentation spots and uneven skin tone by removing surface skin cells.
How
do I exfoliate my skin?
1. Choose the right exfoliant: Learn how on our blog EXFOLIATION 101 - FIND THE RIGHT EXFOLIATE FOR YOUR
SKIN TYPE.
2. Frequency: The frequency of exfoliation
depends on your skin type and the exfoliant you use. In general, 1 to 3 times a
week is recommended. Excessive exfoliation can lead to irritation, redness and
sensitivity.
3. Application technique:
·
For
physical exfoliants, apply in circular motions using light pressure, with
greater emphasis on the forehead, nose and chin area.
·
For
chemical exfoliants, follow product instructions carefully, as excessive use
may cause skin irritation.
4. Moisturize: After exfoliation, it is
essential to hydrate the skin with a highly moisturizing product, such as a
mask, to maintain its barrier function and prevent dryness.
5. Sun protection: Exfoliation can make skin more
sensitive to UV rays. Always apply sunscreen with at least SPF 30 to protect
your skin from sun damage.
Conclusion
Incorporating
exfoliation into your skincare routine can significantly improve the health and
appearance of your skin. Regular exfoliation helps remove dead skin cells,
resulting in a smoother texture and a brighter, more radiant complexion.
Remember to choose an exfoliant suited to your skin type, be consistent in your
exfoliation routine and always finish with moisturizing and sun protection to
maintain optimal skin health.
