by ALI GOUDARZI
Silicones are a family of synthetic polymers that are commonly used in a wide variety of personal care products, including skincare, hair care, and cosmetics. They are derived from silica, a naturally occurring mineral found in sand, quartz, and other rocks. Through...
by ALI GOUDARZI
A sinusoidal current is an alternating current (AC) that follows a smooth, repetitive waveform known as a sine wave. Unlike direct current (DC), which flows in a single direction, alternating current changes direction periodically. In the context of skincare...