Discover the answers to your questions at Westonci.ca, where experts share their knowledge and insights with you. Our Q&A platform provides quick and trustworthy answers to your questions from experienced professionals in different areas of expertise. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

Unusual strong reaction to sunlight or artificial light in some exposed areas, back extremeties, face, causing redness because ultraviolet light wavelengths, they have lichenoid tissue reaction which makes the epidermal basal cell to be damaged and undergo apoptosis.