This Episode explore the biological structure of human hair and the essential balance between protein and moisture required for its health. Technical studies examine how keratin and surfactants interact with the hair shaft, while clinical guides describe diagnostic tools like trichograms and trichoscopy used to evaluate scalp conditions. A significant portion of the text is dedicated to protein overload, a condition where excessive protein leads to brittleness and breakage, contrasting it with moisture overload which results in limp, oily strands. To address these issues, the sources offer reviews of nontoxic shampoos and professional salon treatments designed to restore hair elasticity. Additionally, emerging haircare trends for 2025 are highlighted, focusing on innovative ingredients like plant-based stem cells and adaptogenic herbs. Through a combination of scientific research and consumer advice, the texts emphasize that personalized routines are vital for maintaining vibrant, resilient hair.