15 inches shiny and thick brown hair

I have with purpose not used treatment on my hair so I could sell it. My washinghabits is washing my hair twice a week with balsam everytime. I use hairmask once a week. I am a healty and active persson. I am from the middel-east and my hair is thick and shiny.

I preffer PayPal as payment method. I can use Royal Mail as shipping company or other trusted shipping companies if you preffer another.