Principles of Skin Care Flashcards

Which layer of the skin contains collagen and elastin fibers responsible for skin firmness?

Answer: Dermis

The dermis contains collagen and elastin fibers produced by fibroblasts, which give the skin its strength, firmness, and elasticity.

What is the recommended SPF for daily facial sun protection according to most skin care guidelines?

Answer: SPF 15 or higher

Most dermatology and cosmetology guidelines recommend a minimum of SPF 15 for daily sun protection, with SPF 30+ preferred for extended exposure.

A comedone that is open at the surface and appears dark is called a:

Answer: Blackhead

An open comedone (blackhead) is a plugged follicle open at the skin surface; the dark color results from oxidation of trapped sebum and dead cells, not dirt.

Which vitamin is known as the 'skin vitamin' and is essential for skin cell growth and repair?

Answer: Vitamin A (retinol)

Vitamin A (retinol) is essential for skin cell turnover, collagen production, and repair, making it one of the most researched anti-aging ingredients.

What is the term for a chronic skin condition characterized by facial redness, visible blood vessels, and sometimes acne-like bumps?

Answer: Rosacea

Rosacea is a chronic inflammatory skin condition primarily affecting the face, causing persistent redness, flushing, visible vessels, and sometimes papules or pustules.

During a facial treatment, which massage movement uses circular, kneading motions to stimulate circulation?

Answer: Petrissage

Petrissage involves kneading and circular compression movements that stimulate underlying tissues, improve circulation, and reduce muscle tension.

What is transepidermal water loss (TEWL)?

Answer: Passive evaporation of water through the skin barrier

TEWL is the passive evaporation of water through the skin barrier; a compromised barrier increases TEWL, leading to dry, dehydrated skin.