6 citations
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September 2017 in “Experimental and Therapeutic Medicine” Shortened PEDF peptides speed up skin wound healing by boosting cell growth.
5 citations
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January 2012 in “Journal of nutrition & food sciences” The supplement improved hair, skin, and nails appearance and had long-term benefits.
2 citations
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January 2001 in “Biomedical Research” Trichohyalin and peptidylarginine deiminase type III are found together in rat hair follicles, with trichohyalin being modified after expression.
January 2025 in “Journal of the European Academy of Dermatology and Venereology” Newer GLP-1 drugs like semaglutide may cause hair loss.
November 2024 in “Circulation” GLP1-RAs may have higher reports of suicide and hair loss, but no strong evidence links them to these issues.
June 2015 in “Vestnik dermatologii i venerologii” Growth factors influence hair growth and hair loss.
April 2019 in “Journal of Investigative Dermatology” Maca root extract protects hair follicles and promotes hair growth.
42 citations
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May 1997 in “The Journal of Biochemistry” PAD type III enzyme is specific to rat skin and hair follicles.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
3 citations
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April 2015 in “Current problems in dermatology” A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
112 citations
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February 2001 in “Journal of Investigative Dermatology” Neuropeptides affect hair growth, with some speeding it up and others slowing it down.
Keratin peptide signatures in hair may help identify gender and ethnicity.
47 citations
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December 2011 in “Experimental Dermatology” CGRP may help protect hair follicles from immune system attacks, potentially slowing hair loss.
26 citations
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December 2006 in “Endocrinology” A cream with a specific hormone blocker increases hair growth in mice.
9 citations
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July 2014 in “Experimental Dermatology” PTHRP agonists can stimulate hair growth, especially in damaged follicles, while antagonists may initially increase growth but ultimately inhibit it.
7 citations
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December 2015 in “Experimental Dermatology” Sh-Polypeptide 9 may be better than minoxidil for hair growth and protection against damage.
1 citations
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March 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” NAC1 controls certain enzymes that reduce root hair growth in Arabidopsis.
February 2024 in “Frontiers in plant science” Peps help Arabidopsis plants grow more root hairs by affecting specific genes and calcium signaling.
Placenderm® improves scalp elasticity and hair quality safely.
37 citations
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June 2017 in “Journal of Investigative Dermatology” Blocking a protein called CXXC5 with a specific peptide can stimulate hair regrowth and new hair growth in wounds.
38 citations
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June 2016 in “Nanomedicine: Nanotechnology, Biology and Medicine” Peptide hydrogel scaffolds help grow new hair follicles using stem cells.
1 citations
,
January 2022 
October 2025 in “EMJ Dermatology” GLP-1RA therapy may increase the risk of hair loss.
Certain short peptides can increase root hair growth in tobacco plants.
January 2023 in “Social Science Research Network” The document doesn't say if the treatment for hair loss worked.
23 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain chemicals and peptides can promote hair growth or prevent baldness.
October 2011 in “한국생물공학회 학술대회” August 2025 in “Journal of Cutaneous and Aesthetic Surgery” July 2022 in “Journal of Investigative Dermatology” The combination of a plant extract and a peptide can increase hair pigmentation and may reverse greying.