Back to Overview. Alodine is an international brand name for Henkel Technologies' conversion, anodizing and functional coatings suitable for use on aluminum, magnesium and other non-ferrous alloys. These coatings provide improved corrosion protection and paint adhesion.
A widow's peak is a dominant physical trait where the hairline dips into a V-shape near the center of the forehead. The expression comes from the belief that it was a sign of early widowhood, though the trait has also been considered a mark of beauty.
The synchronized swimmer on the left has a widow's peak (W); the swimmer on the right has a straight hairline (S). Some people have a prominent V-shaped point at the front of their hairline, called a widow's peak, while other people have a hairline that goes straight across.