Oregon Esthetician State Board

What color signals thin or dehydrated skin when observed under a Wood's lamp?

1. Yellow or orange

2. Blue white

3. Light violet or purple

4. Brown

The correct answer is: Light violet or purple

When observed under a Wood's lamp, light violet or purple is indicative of thin or dehydrated skin. This color response reveals the absence of underlying moisture and can highlight the skin's overall condition. The light violet hue specifically indicates areas where the skin's hydration levels are compromised, which may be due to environmental factors, lack of proper skincare, or overall health conditions. Understanding how different colors appear under a Wood's lamp is crucial for estheticians, as it aids in the diagnosis of various skin conditions. Each color serves as a visual cue that can guide professionals in tailoring treatments to improve skin health. Recognizing thin or dehydrated skin early allows for appropriate interventions, leading to better outcomes for clients.