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.
In addition to ambiguities about who does or does not have a widow's peak, there is the problem of age. The hairline of many men recedes over time, and it often recedes more slowly in the middle.