June 2021 in “Journal of Cosmetic Dermatology” Laser treatment shows promise for hair growth, but needs further research.
May 2025 in “International Journal of Biological Macromolecules” A new microneedle treatment shows promise for better hair regrowth in androgenetic alopecia.
Recombinant type XVII collagen may help regrow hair by activating specific cell pathways.
1 citations
,
December 2025 in “International Journal of Molecular Sciences” Atelocollagen boosts collagen production and improves skin elasticity in aged skin.
3 citations
,
October 2021 in “PLoS ONE” Piperonylic acid speeds up wound healing by reducing inflammation and boosting collagen.
56 citations
,
December 1990 in “Differentiation” Growth factors can either promote or inhibit hair follicle cell growth and collagen breakdown.
4 citations
,
September 2012 in “Journal of dermatological science” The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.
April 2023 in “Journal of Investigative Dermatology” IL-24 contributes to skin aging by increasing collagen-degrading enzymes and decreasing collagen production when exposed to air pollution.
30 citations
,
February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
20 citations
,
April 2009 in “Cell Biology International” Hair follicle stem cells can become corneal-like cells with the help of pax6.
16 citations
,
February 2007 in “Plastic and Reconstructive Surgery” Keratinocytes show more TGF-β system activity and collagen production as they age, which might affect wound scarring.
9 citations
,
July 2020 in “Biomedicine & Pharmacotherapy” Mitochondrial therapy and platelet-rich plasma therapy both stimulated hair regrowth in aging mice, with mitochondrial therapy showing similar effectiveness to plasma therapy.
May 2024 in “International journal of medicine and psychology.” Transcranial electrical stimulation with bisphosphonates helps maintain bone collagen better than bisphosphonates alone.
24 citations
,
December 1957 in “Experimental Cell Research” The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.
1 citations
,
February 2023 in “Tropical Journal of Pharmaceutical Research” Polysulfonic acid mucopolysaccharide can reduce skin scarring.
225 citations
,
April 2018 in “Journal of Investigative Dermatology” Two main types of fibroblasts with unique functions and additional subtypes were identified in human skin.
4 citations
,
May 2019 in “Zeitschrift für Naturforschung C” Ishige sinicola extract helps bone-building cells grow and mature, which could aid in treating osteoporosis.
October 2025 in “Journal of the Endocrine Society” Hormone Replacement Therapy improves skin health in postmenopausal women by boosting collagen and hydration.
February 2024 in “Journal of Dermatological Science” Curved hair can develop when hair cells merge abnormally during growth.
December 2022 in “Research Square (Research Square)” The ethyl acetate fraction of Ophioglossum vulgatum Linn. may promote hair growth and could be a new herbal treatment for hair loss.
September 2016 in “Journal of Dermatological Science” Golden oyster mushroom extract may protect skin cells from aging by its antioxidant properties.
13 citations
,
August 2017 in “Journal of Cellular Physiology” PD‐L1 and PD‐L2 may not effectively control immune activation in alopecia areata.
13 citations
,
July 2012 in “Dermatologic Surgery” Platelet-rich plasma (PRP) may help promote hair growth and improve graft survival after hair transplantation, but more research is needed to confirm its effectiveness and determine the best dosage.
29 citations
,
March 2020 in “Stem Cell Research & Therapy” Fat stem cells from diabetic mice can help heal skin wounds in other diabetic mice.
2 citations
,
May 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” A special foam called EG7 PTK-UR helps heal skin wounds better than other similar materials, working as well as a top-rated product and better than a polyester foam.
November 2022 in “PubMed” Deep dermal tissue dislocation injury in pigs leads to thicker fibrotic tissue and increased type III collagen, affecting skin repair.
8 citations
,
November 2019 in “Clinical Science” High DHA levels delay wound healing and worsen skin repair quality.
14 citations
,
April 1995 in “Transplantation” Human hair follicle cells can be used to help heal and replace skin.
41 citations
,
May 2012 in “Advanced Healthcare Materials” Human hair keratins improve cell adhesion and growth on culture surfaces.
10 citations
,
January 2015 in “European journal of pharmacology” Ginsenoside Rb1 may help remodel hypertrophic scars effectively at a dose of 0.56 mg.