While specific details are limited, it's inferred that Sally Hansen engaged in various business experiments and ventures before establishing the well-known cosmetics company. These early experiences likely provided her with the foundational knowledge and determination required for future success.

Sally Hansen officially established her cosmetics business sometime in the 1950s, focusing on nail care products. This marked the beginning of her ascent as a prominent businesswoman in the beauty industry.

Sally Hansen became known for her innovative approach to nail care, developing and marketing products designed to strengthen and beautify nails. This innovation was critical to the brand's appeal and long-term success.