218 citations
,
January 2013 in “The Lancet Oncology” Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.
53 citations
,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
28 citations
,
November 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” GMG-43AC may help reduce unwanted hair growth and treat certain hair loss conditions.
14 citations
,
November 2024 in “International Journal of Molecular Sciences” YAP and TAZ proteins control skin cell growth and repair.
11 citations
,
August 1997 in “Expert Opinion on Therapeutic Patents” Many potential alopecia treatments need more testing to confirm they promote acceptable hair growth with minimal side effects.
10 citations
,
August 2024 in “Clinical Cosmetic and Investigational Dermatology” Natural ingredients may help reduce skin aging by protecting cells and boosting collagen.
10 citations
,
February 2008 in “Photochemistry and photobiology” Vitamin D receptor can control the hairless gene linked to hair loss even without vitamin D.
2 citations
,
January 2013 in “International Journal of Dermatology” ALDOA levels drop in hair cells during hair loss.
PmtHEE is a better model for studying pigmented skin because it includes melanocytes and shows improved cell differentiation.
January 2022 in “Biomedical Reports” Inaudible sound at 30 kHz can boost hair growth and decrease hair loss by promoting cell growth and reducing cell death in hair follicles.
11 citations
,
August 2021 in “Stem Cell Research & Therapy” Pimecrolimus reduces the effectiveness of stem cell therapy for atopic dermatitis.
February 2026 in “International Journal of Molecular Sciences” Removing Lrig1-positive cells in mice leads to temporary loss of sebaceous glands.
July 2025 in “Clinical Dermatology Review” PRP significantly boosts hair growth in androgenic alopecia patients.
17 citations
,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
7 citations
,
January 2002 in “PubMed” Prolonged UVB exposure causes significant skin changes and damage in rats.
5 citations
,
February 2021 in “Gels” HYDRO DELUXE BIO hyaluronic acid hydrogel is compatible with skin cells, may reduce inflammation, promote blood vessel growth, and protect against oxidative stress, suggesting it could help revitalize hair follicles.
13 citations
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November 2013 in “Journal of Endocrinology/Journal of endocrinology” Vitamin D receptor helps control hair growth genes in skin cells.
3 citations
,
December 2021 in “Materials today communications” A new film made from human hair supports skin cell growth better than collagen.
3 citations
,
January 2005 in “Biological & Pharmaceutical Bulletin” The peptide GPIGS helps hair cells grow and speeds up hair regrowth in mice.
March 2026 in “Frontiers in Veterinary Science” All-trans retinoic acid slows cell growth and increases cell death in goat hair follicles through a specific pathway.
2 citations
,
September 2016 in “Journal of Dermatological Science” Squarticles, tiny particles made from sebum-derived lipids, can effectively deliver minoxidil, a hair growth drug, directly to hair follicles and skin cells, with less skin penetration and more tolerability.
November 2023 in “Hair transplant forum international” Caffeine can stimulate hair growth, but the best dose and frequency for hair loss treatment are still unknown.
May 2004 in “International Journal of Cosmetic Science” Melanogenesis inhibitors like kojic acid and niacinamide can reduce inflammation and pigment production in skin cells.
10 citations
,
January 2008 in “Biological and Pharmaceutical Bulletin” t-Flavanone may help hair growth by reducing a specific protein's activity in skin cells.
9 citations
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January 2018 in “Acta dermato-venereologica” A substance called poly(I:C) increases a protein called carbonic anhydrase II in skin cells, which might help with skin defense and healing.
54 citations
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July 2017 in “Scientific Reports” JMJD3 and NF-κB activate Notch1, which is essential for skin cell movement and wound healing.
3 citations
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August 2022 in “Molecules/Molecules online/Molecules annual” A new strain of bacteria from the human skin can help prevent hair loss.
22 citations
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August 2009 in “Evidence-based Complementary and Alternative Medicine” The composition with carnitine, thioctic acid, and saw palmetto extract may effectively reduce inflammation in hair follicle cells.
18 citations
,
September 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” VDUP1 is found in skin and hair follicles, interacts with sciellin, and may help regulate skin cell differentiation.
August 2016 in “Journal of Dermatology” A chemical called 5-Bromo-2′-deoxyuridine caused rapid hair loss in mice by killing certain skin cells through a specific cell death pathway.