13. 13
COMEDONES
• Whiteheads are closed comedones.
• The obstructed follicle prevents oil flow and
provides an oil reservoir for bacterial growth.
• They lead to inflammation
14. 14
COMEDONES
• Blackheads are open comedones
• The color is melanin and oxidized lipids
• Blackheads are not inflammatory
19. 19
UVA DAMAGE
• UVA acts through an oxidative stress, forming free
radicals
• Reactive oxygen species create damages leading to cancer
• Pigment production is the defense mechanism
20. 20
UVA DAMAGE
• UVA acts through an oxidative stress, forming free
radicals
• Reactive oxygen species create damages leading to cancer
• Pigment production is the defense mechanism
21. 21
UVA DAMAGE
• UVA acts through an oxidative stress, forming free
radicals
• Reactive oxygen species create damages leading to cancer
• Pigment production is the defense mechanism
22. 22
UVA DAMAGE
• UVA acts through an oxidative stress, forming free
radicals
• Reactive oxygen species create damages leading to cancer
• Pigment production is the defense mechanism
30. 30
MANIFESTATIONS OF SKIN
AGING
• Epidermis :
• decrease in barrier efficiency
• pigmentation problems
• decrease in skin immune system
31. 31
MANIFESTATIONS OF SKIN
AGING
• Sebaceous glands :
• reduction in sebum secretion (hormones influenced)
• Sweat glands :
• less active
32.
33.
34. 34
WRINKLES
• Gravity lines :
• skin and muscle structure become slack and droops
downwards
• flabby cheeks, double chin, bags under the eyes and
drooping eyelids
45. Dry Skin and Itching
• As we age – lower legs, elbows, and forearms
• Causes – low humidity
• Loss of sweat and oil glands
• Overuse of soaps, perfumes, hot bathes, deodorants
46. The key to beautiful skin is maintaining its moisture
balance.
Your skin becomes prone to all sorts of damage when it
loses its natural moisture.
47. Dry skin is more prone to developing wrinkles and
getting damaged by the sun.
48. One of the basic things to care about in your 30s is
skin pores.
Open, large pores can give you a dull complexion.
50. Toner is known for its excellent skin toning
abilities.
- tightens pores and gives you a smooth,
glowing complexion.
- keeps your skin hydrated, removing
impurities.
53. Handout 3
Moisturizing: Hydrate Your Skin
• Work by providing a seal – keeps moisture from
escaping
• Apply moisturizers immediately after showering
54. Handout 3
Moisturizing: Hydrate Your Skin
• Select best moisturizer for you
• Depends on skin type
• Age
• Skin conditions
• Daytime use moisturizer with at least SPF 15
57. Dry Skin Cell
Dry Skin Cell
• Damaged primarily by
lack of moisture and
nourishment
• Cells near the top are
starving and create a
rough, dry surface
Dry Skin Cells
Dry Skin
58. • Skin that suffers from a lack of
balance between oil secretion
and moisture
• Pink layer reflects excessive
sebum and oily pores
Dry Skin Cell
Oil
Oily Pore
Oily Skin
59. • Thin cells near the top
represent cells suffering from
lack of moisture
• Dry cells and extra oil create
an unattractive, uneven
appearance
Dry Skin Cell
Oil
Oily Pore
Oily Skin
Expression lines :
they are the first manifestation
due to constant creasing of the face
accentuated by environmental factors
they appear around the eyes (crow’s feet), the nose and mouth (naso-labial fold), forehead (frown lines)