Hair is a highly resilient structure and has been designed to withstand what can amount to a huge number of physical processes over its lifetime. The cuticle, with multiple layers, imparts significant resistance, and the f-layer helps to decrease surface frictional forces. The cuticle has great internal strength, with a surface that has low friction….
Hair plays an important role in our well-being and can be a signal of sexual attraction, health and status. If we are happy with how it looks, i.e., having a good hair day, studies have shown our confidence increases. However, the opposite is true if scalp hair is thinning, or has severe damage such as…