Summary

Mayim Bialik's Holdaway H Line measures -0.21mm, inside its ideal range of -0.50 to 0.90mm, and scores 10.0. The Holdaway H-Line assesses lower lip and chin harmony relative to the upper lip, and balanced positioning avoids overly prominent lips or weak chins. Her value is closest to that of Alexandria Ocasio-Cortez and Brooke Monk, both at -0.20mm, and Deva Cassel at -0.25mm. Across the wiki's women, she sits higher than 70% of them, and 35% measure inside the same ideal range, while Cameron Diaz sits at the highest value of 3.45mm and Adéla Jergová at the lowest of -6.30mm. For more context, see Mayim's Lower Lip Burstone Line and Mayim's full Harmony breakdown.