.
.
.
.
t
t
f. Removing the acne and blain to imprint
g. Removing the vascular lesions and blood vessel
6 About Skin
1. About the skin:
A:
The physiological structure of the skin:
Skin is the largest organ in one’s body, and its area of adults is about 1.5-2.0 square meters. The
skin can be divided into the epidermis, dermis, and subcutaneous tissue, and its metabolic cycle
is 28-40 days. Normal skin is partial acidic.
B:
The physiological function of skin:
Protection, secretion, excretion, attemperation, immune, absorb, feeling, and reacting visceral
issue,etc.
C:
The factors affecting skin’s color:
Genes, hormones(the melanocyte-stimulating hormone, estrogen,etc.), ultraviolet rays (skin will
produce the pigmentation in 48 hours)
2. About the Pregnancy Spots, Butterfly macules:
More common in young and middle-aged women’s cheek and 2 sides of nose; vary in size,
yellowish-brown flaky, edges clearness or showed diffuse shape, symmetrical growing; caused
by endocrine disorders from taking some contraception’s methods ( such as: Sheung Wan, oral
contraceptives); there is no discomfort symptoms, incidence unknowingly.
3. About the Sunburn/ Sun-induced freckle:
appearing on the full face or partial; vary in size,
indefinite shape, yellowish-brown or tawny, unclear edges; case by excessive ultraviolet
radiation, no physical symptoms.
4. About the freckles:
appearing on the whole face, especially the on both sides of nose; grain
size, pale brown, net brown in occasion, unclear edges; cause by ultraviolet rays or the family history,
and no discomfort symptoms.
Summary of Contents for HL-402
Page 1: ...E light HL 402 The Operation Manual ...
Page 16: ... Figure 8 9 2 OPT E ...