November 2022 in “Journal of Investigative Dermatology” Fish-derived collagen may help hair grow longer and affect hair stem cells, while bovine collagen could benefit hair stem cell maintenance, potentially aiding in hair loss conditions.
Collagen peptides may help maintain hair growth and could be beneficial for hair loss conditions.
July 2022 in “Journal of Investigative Dermatology” IL-15 helps maintain hair growth and protects the immune status of hair follicles.
October 2021 in “Journal of Investigative Dermatology” Edelweiss extract may help prevent hair loss and increase hair density.
September 2019 in “Journal of Investigative Dermatology” Apple stem cell extract may increase the number of stem cells in a part of the hair follicle.
August 2006 in “Experimental dermatology” Human scalp hair follicles can produce and respond to several hormones, affecting hair growth and pigmentation.
20 citations
,
April 2009 in “Cell Biology International” Hair follicle stem cells can become corneal-like cells with the help of pax6.
297 citations
,
January 2002 in “Development” Overexpression of ΔNLef1 in mouse skin leads to hair loss, cysts, and skin tumors.
118 citations
,
December 2003 in “Mechanisms of Ageing and Development” Thymosin β4 helps heal wounds, grow hair, and improve blood vessel formation.
114 citations
,
June 2000 in “Endocrinology” Alopecia in VDR knockout mice is due to a defect in hair cycle initiation, not keratinocyte issues.
99 citations
,
January 2004 in “Progress in brain research” Neurotrophins are important for hair growth and could help treat hair loss.
74 citations
,
September 2003 in “The Journal of Immunology” Activating PKCα in skin causes cell death and inflammation through different pathways.
66 citations
,
October 1999 in “Annals of the New York Academy of Sciences” The Skin POMC System affects hair growth and skin responses to stress.
63 citations
,
July 2006 in “British Journal of Dermatology” Psoriasis causes changes in certain keratins and shrinks sebaceous glands in the scalp.
46 citations
,
November 1998 in “Experimental Cell Research” K15 gene is mainly active in the basal layers of hair follicles and epithelia, aiding early skin cell development.
29 citations
,
June 2000 in “Endocrinology” Alopecia in VDR knockout mice is due to impaired hair cycle initiation, not keratinocyte issues.
20 citations
,
January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
14 citations
,
September 2021 in “Journal of Cosmetic Dermatology” Low vitamin D levels are linked to various types of hair loss, but more research is needed before using it as a treatment.
4 citations
,
June 2022 in “Journal of Cosmetic Dermatology” Multi-peptide factors from fibroblasts may stimulate hair growth by increasing growth factors and β-catenin in hair cells.
4 citations
,
January 2004 DanGuiBoHyulTangGami-Bang helps hair growth but doesn't extend the growth period or affect hair follicle cells significantly.
3 citations
,
June 2017 in “Journal of Biomaterials Applications” Keratin extract from human hair was found to promote hair growth in mice.
3 citations
,
April 2012 in “Cancer research” Mouse skin cancer progression involves a unique group of cells marked by ABCG2 and MTS24.
2 citations
,
October 2023 in “Philosophical transactions - Royal Society. Biological sciences” Enzymes that change arginine to citrulline are important for skin barrier and hair formation, and their malfunction can lead to skin conditions and hair disorders.
2 citations
,
May 2020 in “Giornale italiano di dermatologia e venereologia” Vitamin D and its receptor are important for hair and scalp health and may help treat hair loss.
2 citations
,
January 2009 A natural extract-based hair growth product was developed and showed promise in preliminary tests.
2 citations
,
January 2002 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Sophora flavescens extract helps hair grow and prevents acne.
1 citations
,
August 2016 in “Hanbang an'i'bi'in'hu pibu'gwa haghoeji” YangHyulEum Gami-Bang extract may help treat hair loss.
1 citations
,
March 2016 in “Journal of Investigative Cosmetology” Lavender oil promotes hair growth in mice.
1 citations
,
January 2010 Ornithine decarboxylase is crucial for human hair growth and the hair cycle.
November 2025 in “PROGRESS IN BIOCHEMISTRY AND BIOPHYSICS” Taurine may help reduce hair loss by improving hair growth cycles.