1,hair straight 2,a professional, permanent hair straightening system 3,OEM,ODM, private label OTTO ... STRAIGTENING CREAM is a professional, permanent hair straightening system that transforms curly or wavy tresses into smooth ... the section. C>,Apply ESSENTIAL STRAITHENING CREAM 1/2 inch away section by section starting at the ... at the nape of the neck, take 1/8" sections not longer than the length of the ...