Changes of new and old hair shafts at different stages of the growth cycle in AGA mice. (a) Changes of new and old hair shafts during the anagen phase. no new hair shaft in the control group on day 4 and in the TES group on day 6, no old hair shaft in the control group on day 10 and in the TES group on day 12 and 14. (b) Changes of hair shaft during the catagen phase. (c) Changes of hair shaft during the telogen phase. (d) Summary diagram of different growth stages during the growth cycle. White boxes and arrows represent old hair shafts, while red boxes and arrows represent new hair shafts.

Changes of new and old hair shafts at different stages of the growth cycle in AGA mice. (a) Changes of new and old hair shafts during the anagen phase. no new hair shaft in the control group on day 4 and in the TES group on day 6, no old hair shaft in the control group on day 10 and in the TES group on day 12 and 14. (b) Changes of hair shaft during the catagen phase. (c) Changes of hair shaft during the telogen phase. (d) Summary diagram of different growth stages during the growth cycle. White boxes and arrows represent old hair shafts, while red boxes and arrows represent new hair shafts.

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The identification of crucial targets for hair regrowth in androgenetic alopecia (AGA) involves determining important characteristics and different stages during the process of hair follicle regeneration. Traditional methods for assessing key features and different stages of hair follicle primarily involve taking skin tissue samples and determining...