Summary

Gemma Arterton's Upper Forehead Slope measures 4.9°, scoring 8.5, which places it below its ideal range of 7.0 to 9.0°. Her value is shared with Lucia Ferrato and sits close to Deepika Padukone and Lili Reinhart, who both measure 4.8°. This measurement evaluates how much the upper forehead slopes backward from the rest of the forehead. Among the women on the wiki, her value is higher than 10% of them, while 25% measure inside the ideal range, and the widest contrast runs from Zendaya at 0.5° to Maya Jama at 21.4°. See Gemma's full Harmony breakdown for how this sits alongside her other measurements.