Radio Frequency (RF)
Used by dermatologists to non-surgically tighten the skin, RF energy heats the deeper layers of tissue (leaving the surface intact) to spur new collagen and elastin growth for firmer, thicker skin.
Retinol (Vitamin A)
Used mainly in anti-ageing products to stimulate the renewal of cells. Is available over the counter up to 1%. Increases the skin's sensitivity to the sun and must be used in conjunction with a daily SPF.
A chronic skin disease marked by persistent redness, easy flushing, broken blood vessels, and pimples on the nose and cheeks primarily. Rosacea tends to run in families, especially those of Northern or Eastern European descent. The cause is unknown; there is no cure; and controlling triggers (heat, UV, spicy foods, alcohol) is crucial to treatment.