Westhook Capital (“Westhook”), a Los Angeles-based private equity firm, today announced it has made an investment in RainShadow Labs (“RainShadow”), a full-service provider of private label manufacturing services to natural and organic personal care brands. Since its founding in 1983, RainShadow has been the pioneer in helping independent brands, entrepreneurs, and skincare professionals custom formulate, manufacture, and launch thousands of successful personal care products into the natural and organics skincare marketplace. RainShadow offers cutting-edge product development and creative product design; technical support including packaging and label procurement; warehousing for excess product packaging, contract filling, multi-product packaging, shipping, and logistics support.