May 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Nicastrin deficiency may cause skin cell damage and pigmentation disorders in humans, similar to effects seen in fish.
21 citations
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September 1968 in “Cancer” Citrulline in certain skin tumors suggests they mimic hair growth, helping distinguish them from other cancer types.
2 citations
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January 2022 in “Materials today: proceedings” Caffeine may be good for hair growth and skin care because it binds well with keratin.
December 2025 in “Scientific Reports” Cedrol may help reduce liver fat and fat cell growth caused by corticosteroids.
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March 2012 in “Revue neurologique” Proper diet management is crucial for preventing severe symptoms in phenylketonuria.
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August 2002 in “American Journal Of Pathology” Cathepsin L deficiency causes hair and skin issues in mice.
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November 2005 in “Epilepsia” Levetiracetam is widely used and generally well-tolerated for treating idiopathic generalized epilepsies, with tiredness as the main side effect.
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September 2022 in “KnE medicine” Candlenut oil hair tonic helps mice grow hair, with higher oil concentration giving better results.
3 citations
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March 2022 in “International Journal of Trichology” Special supplements with collagen, vitamins, and minerals can help treat hair loss.
TrichoSolTM is safe for hair loss treatments with specific ingredient stability for up to 180 days.
1 citations
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July 2022 in “Journal of dermatology” Disrupted citric acid metabolism stops hair growth.
January 2024 in “Authorea (Authorea)” Using laccase to add poly(tyrosine) to wool makes it less likely to shrink and stronger.
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April 2019 in “Advances in wound care” Tannic acid helps wounds heal faster in rats by activating certain cell signals and reducing inflammation.
62 citations
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December 1941 in “Experimental biology and medicine” Eating phenylthiocarbamide made all the rats' hair go gray, but some returned to their original color after stopping.
3 citations
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February 2019 in “Molecular genetics and metabolism” The combination of tadalafil and finasteride improves urinary symptoms and erectile function in men with enlarged prostates.
July 2023 in “SKIN The Journal of Cutaneous Medicine” Continued ritlecitinib treatment can improve hair regrowth in some alopecia areata patients who initially don't respond.
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June 1993 in “PubMed” Medication 1 improved hair quality and growth more effectively than medication 2 and the placebo.
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September 2013 31 citations
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February 1982 in “Archives of dermatology” Etretinate was effective for certain skin conditions, but caused side effects like chapped lips, dry mucous membranes, and hair loss.
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February 2017 in “Open veterinary journal” Tiger cubs fed artificial milk lacking certain amino acids developed eye problems and hair loss.
July 2021 in “Open access journal of biomedical science” A lotion with natural extracts significantly sped up hair growth in women with hair loss from chemotherapy.
2 citations
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January 2023 in “Dermatologic Therapy” CEFFE injections effectively and safely improve postinflammatory hyperpigmentation.
January 2025 in “International Journal of Cosmetic Science” Citric acid strengthens and improves damaged hair.
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April 1997 in “International Journal of Dermatology” Using tretinoin with triamcinolone acetonide helps treat alopecia areata.
35 citations
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April 2009 in “Journal of Neuroscience Research” HDAC inhibitors help brain cells grow and improve brain function.
April 2016 in “Journal of the American Academy of Dermatology” Tofacitinib helped a person with total body hair loss grow hair again without bad side effects.
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December 2021 in “Tropical Journal of Pharmaceutical Research” Kanglaite injection with chemotherapy improves treatment and reduces side effects for advanced lung cancer.
November 2025 in “Eurasian journal of applied biotechnology” Combining L-cysteine, NAC, and a MET inhibitor significantly kills cervical cancer cells.
142 citations
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November 2009 in “BMC Complementary and Alternative Medicine” Tridax procumbens significantly lowers blood sugar in diabetic rats.
52 citations
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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.