The Study
3D bioprinting of prefabricated artificial skin with multicomponent hydrogel for skin and hair follicle regeneration
This study is like a science project in mice. It shows that a lab-made skin patch helped wounds heal and grow hair in hairless mice. But it doesn’t prove it will work the same way in people.
Analysis score
Maximum 72 for a cohort study.
Where the score came from
Scientists printed fake skin using special gel and stem cells, then put it on wounds in mice. The new skin healed completely and even grew hair and sweat glands.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 57 / 100
Quality score
Groups of people are followed over time to see who develops an outcome. Strong for identifying risk factors and associations, but cannot prove causation as firmly as RCTs.
Key takeaways
Summary
Based on the study abstract and findings.
- 1This is a big step toward healing serious wounds without scars and with full skin function, including hair and sweat glands.
- 2The printed skin healed wounds fully.
- 3It worked even after being kept in a dish for 12 hours.
- 4Hair grew, but less if the skin was stored longer before use.
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Theranostics
Year
2025
Authors
Xiaoxiao Ma, Xiaohui Zhu, Sheng Lv, Chunyan Yang, Zihao Wang, Meilan Liao, Bohao Zhou, Yiming Zhang, Shiyu Sun, Ping Chen, Zhonghua Liu, Haiyan Chen
Related Content
Claims (6)
A special gel helps skin stem cells stay alive, grow, and keep their ability to turn into hair cells when grown in a lab for 3 days.
This special gel can be printed easily, holds its shape well, doesn’t swell much, and stays strong over time—making it a great candidate for printing artificial skin.
Scientists made fake skin using a special 3D printer and put it on wounds in mice. The wounds healed completely, and even grew back hair, blood vessels, and skin layers.
Scientists made fake skin using a 3D printer, and even after keeping it in a lab dish for 12 hours, it still helped grow new skin and hair when put on hairless mice — though the longer it sits in the dish, the less hair it tends to grow.
When skin stem cells are printed in a special gel, they keep their important markers, which means they probably still act like normal skin stem cells and can help heal skin.
Scar tissue doesn't have sweat glands or hair like normal skin, so it works and looks different.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.