Nature 424 , 938942 (2003)
Extra Goodies for Your Hair Tonic Amp up your Biotin Spray Hair Tonic with these incredible ingredients: Myristoyl Pentapeptide 17 & 16 : These peptides are like cheerleaders for your lashes and brows, encouraging them to be thicker and fuller
It has been discovered and heavily studied for over 40 years
The hair-growth interest comes from a line of animal research: T4 was shown to increase hair growth in rats and mice by activating hair-follicle stem cells in the bulge region, per PubMed (Philp et al., 2003, DOI), with follow-up work showing faster regrowth in T4-overexpressing mice and slower regrowth in knockout mice via VEGF and P38/ERK/AKT signalling (Gao et al., 2015, DOI)
(2) Technical Correction to the Previously Established and Estimated Performance Standards for the FY 2025 Program Year In the FY 2023 IPPS/LTCH PPS final rule (87 FR 49115 through 49116), we established performance standards for the measures in the FY 2025 program year in Table V.I.-09