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Saving face: why facial scars are smaller than back scars

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Why This Matters

This research highlights the biological differences in skin healing, revealing that facial wounds tend to scar less than back wounds due to distinct fibroblast cells. Understanding these mechanisms could lead to improved scar prevention and treatment strategies, benefiting both the medical industry and consumers seeking better cosmetic outcomes.

Key Takeaways

A scar is a physical mark of a healed wound and a sign of an event that can live on in memory. In Shakespeare’s play Henry V, the king makes a speech to rouse his troops on the eve of battle. He rallies them by framing scars that would be incurred in the upcoming fight as badges of honour to be shown on the conflict’s anniversary in future years. What affects whether a wound will leave a visible scar? Writing in Cell, Griffin et al.1 report that facial skin wounds in mice consistently heal with less scarring than do equally large wounds on the animals’ backs. The authors report that this difference is linked to the face having molecularly distinct fibroblast cells with restricted ability to express genes that function in scar formation.

doi: https://doi.org/10.1038/d41586-026-01044-3

References Griffin, M. F. et al. Cell 189, 783–799 (2026). Le Boeuf, B. J. & Mesnick, S. Behaviour 116, 143–162 (1991). Brown, C. M., Currie, P. J. & Therrien, F. Paleobiology 48, 12–43 (2022). Chang, H. Y. et al. Proc. Natl Acad. Sci. USA 99, 12877–12882 (2002). Rassman, W. R. et al. Dermatol. Surg. 28, 720–728 (2002). Liu, Y. et al. Nature Rev. Dis. Primers 11, 73 (2025). Billingham, R. E. & Silvers, W. K. J. Exp. Med. 125, 429–446 (1967). Lee, S. S. et al. Science 385, eadi1650 (2024). Download references

Competing Interests The authors declare no competing interests.

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