January 2023 in “Annals of dermatology/Annals of Dermatology” A substance called miR-1246 may help treat severe hair loss by reducing certain immune cell activities.
26 citations
,
February 2022 in “Journal of pineal research” Melatonin affects skin and hair color and protects skin cells, with potential benefits for hair growth and skin health.
44 citations
,
October 2019 in “International Journal of Molecular Sciences” Melatonin, usually known for sleep regulation, also has antioxidant properties that can protect skin, stimulate hair growth, and improve skin conditions, with topical application being more effective than oral use.
17 citations
,
March 2012 in “Journal of biological chemistry/The Journal of biological chemistry” Hairless protein affects hair follicle structure by regulating the Dlx3 gene.
9 citations
,
October 2025 in “MedComm” PROTACs offer new ways to treat hard-to-target diseases, with promising drugs for cancer in advanced trials.
91 citations
,
January 2010 in “Journal of Allergy and Clinical Immunology” NK cells play a role in skin diseases like eczema and psoriasis.
14 citations
,
January 2023 in “Nature Immunology” iNKT cells help develop and maintain healthy skin in young mice.
August 2020 in “Pakistan Journal of Zoology” A new mutation in the Hairless gene causes hair loss in two Pakistani families.
55 citations
,
August 2013 in “PloS one” Genetic differences between young and old Tan sheep explain why their fleece changes from curly to straight as they age.
6 citations
,
March 2022 in “International journal of molecular sciences” Natural skincare products may help reduce sun damage and support the skin's daily cycle.
46 citations
,
September 2023 in “Cell Reports” Sebaceous glands can regenerate after injury using stem cells from hair follicles.
September 2025 in “Current Issues in Molecular Biology” IGF-1 can help regrow hair and may be a promising treatment for hair loss.
44 citations
,
May 1998 in “PubMed” The retinoid receptor antagonist effectively disrupts vitamin A-related development in embryos.
16 citations
,
November 1994 in “Developmental Biology” Retinoic acid causes gland formation instead of hair in mouse skin by altering epidermal and dermal interactions.
December 2025 in “Scientific Reports” α-Mangostin can naturally lighten skin by reducing melanin.
238 citations
,
October 1994 in “Current opinion in genetics & development” The document concludes that recent research has improved understanding of skin diseases and the balance between cell growth and differentiation in the epidermis.
28 citations
,
October 2019 in “Seminars in Cell & Developmental Biology” Hair can regrow in large wounds through a process similar to how hair forms in embryos, and understanding this could lead to new treatments for hair loss or scarring.
Newer retinoid drugs are effective for skin conditions but have significant side effects.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
5 citations
,
March 2019 in “Experimental dermatology” Activating TLR3 may help produce retinoic acid, important for tissue regeneration.
4 citations
,
May 2018 in “Electronic Journal of Biotechnology” All-trans retinoic acid at high doses harms goat hair growth cells and could be bad for hair growth.
3 citations
,
February 2023 in “Journal of Investigative Dermatology” Ch55 may help reduce skin scarring and fibrosis.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Double-stranded RNA helps regenerate hair follicles by increasing retinoic acid production and signaling.
52 citations
,
February 2003 in “Archives of dermatology” 9-cis-retinoic acid showed some effectiveness in treating AIDS-related Kaposi sarcoma but had significant side effects at higher doses.
76 citations
,
January 1998 in “Mammalian Genome” 10 citations
,
August 2020 in “Acta histochemica” All-trans-retinoic acid stops mink hair growth by affecting cell growth and causing cell death.
24 citations
,
September 2005 in “Journal of Cellular Biochemistry” Retinoids increase steroid sulfatase activity in leukemia cells through RARα/RXR and involves certain pathways like phosphoinositide 3-kinase and ERK-MAP kinase.
18 citations
,
October 2014 in “Experimental Biology and Medicine” Eating vitamin A affects hair growth and health by changing cell signals in mice.
March 2012 in “Journal of The American Academy of Dermatology” Hair casts are often mistaken for head lice, scalp pain in hair loss is linked to certain nerve factors, eyelash growth treatment is safe and effective, and nail shedding in children may follow hand-foot-mouth disease.
42 citations
,
February 2017 in “Scientific Reports” Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.