Skin Care and Facials Flashcards

Which type of current used in esthetic treatments produces a chemical reaction to soften and emulsify sebum in follicles?

Answer: Galvanic current

Galvanic current uses direct current (DC) to drive active ingredients into the skin (iontophoresis) or to soften and emulsify hardened sebum through desincrustation.

What is hyperpigmentation caused by?

Answer: Overproduction of melanin in certain areas

Hyperpigmentation occurs when melanocytes in certain areas overproduce melanin, resulting in dark patches or spots such as melasma, sun spots, or post-inflammatory marks.

The Wood's lamp (black light) used in skin analysis reveals what about the skin?

Answer: Bacteria, dead skin cells, and hydration levels via fluorescence

Under a Wood's lamp, different skin conditions fluoresce distinct colors — dead cells appear white, oily areas orange, bacteria purple, and hydrated skin blue-white.

Sebaceous glands produce sebum, which primarily functions to:

Answer: Lubricate and waterproof the skin and hair

Sebum is an oily substance secreted by sebaceous glands that lubricates the skin and hair, helping to maintain the skin's moisture barrier and protecting against dryness.

What does SPF (Sun Protection Factor) measure?

Answer: How long UV-B protection lasts on the skin

SPF measures protection against UV-B rays, indicating how much longer you can stay in the sun before burning compared to unprotected skin.

Which skin condition is a scaly, itchy chronic condition often found on the scalp, elbows, and knees and is NOT contagious?

Answer: Psoriasis

Psoriasis is a chronic autoimmune skin condition that speeds up skin cell turnover, causing thick, scaly plaques, and it is not contagious.