HD Beauty brings esthetics and lash artistry to Santee from Suite K at 9320 Willowgrove Avenue, operating as a California LLC registered since April 2022. Eyelash extension sets range from classic single-strand application to mega-volume fan clusters, and the studio's lash-focused menu builds on the same Carlton Hills–area lash segment served by J Tea Lashes on Carlton Hills Boulevard, though HD Beauty adds custom facials and brow services to its offering. Brow lamination, brow waxing, and lash lifts round out the non-extension menu, providing arch definition and lash curl without adhesive-attached fibers. The women-owned studio enforces a pre-visit booking deposit applied toward the service total, a 48-hour rescheduling policy, and a post-appointment regimen prohibiting oil-based products near attached lashes — aftercare standards that pair with the facial and body treatments at Davree's Salon & Day Spa on Cuyamaca Street for comprehensive skin-and-lash maintenance. Mega-volume sets bond six to sixteen ultra-fine synthetic fibers per natural lash using a hand-made fan technique, with cyanoacrylate-based adhesive curing under controlled humidity between 40% and 60% for optimal retention across a two-to-three-week fill cycle.