West Lane Capital Partners, a California-based private equity firm, has acquired the haircare brand Seven from Proctor Lane Investments.WHO: Seattle-based Seven is led by a team of passionate and experienced beauty professionals. The professional haircare line was created with the goal of giving stylists and their clients best-in-class haircare products using naturally inspired formulations and ingredients.LA-based West Lane Capital Partners is a private investment firm that partners with entrepreneurs and management teams to invest in lower middle-market companies. In addition to providing capital, West Lane are actively engaged partners across the strategy, operations, and finance functions within its portfolio businesses.Proctor Lane Investments, based in Mercer Island, WA, is a privately owned company specializing in the establishment, operation, and advisory of service-based businesses in the Puget Sound Area and West Coast.WHY: West Lane will bring its deep industry expertise and relationships to support Seven's continued growth and line expansion. The investment will allow the company to enhance its product and service offerings and pursue numerous strategic growth initiatives. IN THEIR OWN WORDS: "We are excited to partner with the Seven team and support them in continuing to grow this well-known and respected brand and line of products," said Nick Sternberg, West Lane's Managing Partner. "This investment fits very well within our broader portfolio of beauty and wellness brands, and we see tremendous opportunities and synergies for Seven on the West Lane platform.