chapter 4 - skin diseases and disorders notes

LO notes

why is it important for cosmetologists to understand skin disorders and diseases?

to provide safe skin care services, recommend appropriate products, and recognize when a client needs medical referral.

what are primary skin lesions?

abnormal skin conditions present at birth or acquired over time, including bulla, cyst/tubercle, macule, nodule, papule, pustule, tumor, vesicle, and wheal.

what are secondary skin lesions?

develop from primary lesions due to progression or external factors, including crust, excoriation, fissure, keloid, scale, scar/cicatrix, and ulcer.

what are common sebaceous gland disorders?

milia, acne, seborrheic dermatitis, and rosacea.

what are common sudoriferous gland disorders?

anhidrosis, bromhidrosis, hyperhidrosis, and miliaria rubra.

what are common skin inflammations?

dermatitis and eczema.

what are common skin infections?

conjunctivitis, impetigo, and herpes simplex 1.

what are skin hypertrophies?

an irregular growth of the skin, often benign, such as keratoma, mole, skin tag, psoriasis, and verruca.

what is hyperpigmentation?

overproduction of pigment, including chloasma, lentigines, melasma, nevus, stain, and tan.

what is hypopigmentation?

lack of pigment, seen in conditions like albinism, leukoderma, and vitiligo.

what are the major causes of acne?

hereditary factors and hormone levels affection sebaceous gland function.

what are common acne treatments?

gentle cleansers, exfoliation with salicylic acid, and avoiding oil-based products.

what are contributing factors to aging?

genetics, UV radiation, smoking, alcohol, stress, poor nutrition, and pollution.

how does sun exposure affect the skin?

weakens collagen and elastin, causes burns, and increases the risk of skin cancer.

what are the three types of skin cancer?

basal cell carcinoma, squamous cell carcinoma, and malignant melanoma.

how can cosmetologists prevent contact dermatitis?

keep workstations clean, wear gloves, and moisturize hands to prevent irritations.