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What's the latest science of reversing grey hair?

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The latest science of reversing grey hair involves several approaches. One approach is the use of specific compounds such as enzymes and essential amino acids taken as oral dietary supplements . Another approach is the use of combination therapeutics like RT1640, which consists of drugs that stimulate hair growth and a non-immunosuppressive immunophilin ligand implicated in tissue regeneration . Additionally, adipose-derived autologous mesenchymal stem cells have been tested for their ability to regenerate tissues . Recent research has also shown that hair greying is reversible in humans, with white hairs naturally regaining pigmentation within days to weeks . Proteomic analysis has revealed that graying is marked by the upregulation of proteins related to energy metabolism, mitochondria, and antioxidant defenses . Furthermore, stress has been found to accelerate hair greying, and the reduction of stress can lead to the reversal of grey hair .

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Open access•Posted Content•DOI Human hair graying is naturally reversible and linked to stress Ayelet M Rosenberg, Shannon Rausser, Junting Ren, Eugene V. Mosharov, Gabriel Sturm, R. Todd Ogden, Purvi Patel, Rajesh Kumar Soni, Clay Lacefield, Ralf Paus, Martin Picard - Show less +10 more 19 May 2020-bioRxiv 1 Citations	The paper provides evidence that human hair graying is naturally reversible, but it does not discuss the latest science or methods for reversing gray hair.
Open access•Journal Article•DOI Quantitative mapping of human hair greying and reversal in relation to life stress Ayelet M Rosenberg, Shannon Rausser, Junting Ren, Eugene V. Mosharov, Gabriel Sturm, R. Todd Ogden, Purvi Patel, Rajesh Kumar Soni, Clay Lacefield, Desmond J. Tobin, Ralf Paus, Ralf Paus, Martin Picard - Show less +12 more 22 Jun 2021-eLife 19 Citations	The paper discusses a new method for measuring small changes in hair coloring and suggests that some white hairs naturally regain their color. However, it does not provide information on the latest science of reversing grey hair.
Patent Oral supplementation for the reversal of human hair canities Garfield Coore 07 Mar 2012	The paper discusses the use of specific compounds such as enzymes and essential amino acids taken as oral dietary supplements to slow, stop, or reverse human greying.
Open access Reversal of hair greying following autologous adipose mesenchymal stem cell transplantations: a coincidental finding Jaymesh Thadani, Prashant Kshatriya, Anant Marathe, Rajni Vyas, Bhaskar Vyas, Kaushik Deb - Show less +5 more 19 Nov 2015 2 Citations	The provided paper does not discuss the latest science of reversing grey hair. It focuses on the incidental finding of hair greying reversal following autologous adipose mesenchymal stem cell transplantations for neurodegenerative disorders.

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