detailed macro photograph of brown human hair strands

hair human macro texture strands brown white background detailed closeup natural beauty science microscopic fibers realistic photorealistic high resolution shallow depth field soft lighting complex pattern weblike intricate fine details subtle light bright clean sharp focused aesthetic artistic still life nature organic elegant sophisticated minimalist simple lines graphic abstract study analysis scientific research medical healthcare cosmetology trichology haircare strand filament fiber filamentous anatomy biology cuticle cortex medulla follicle scalp pigment melanin keratin protein