eCosmetics is an authorized retailer of Purito. Advanced Barrier-Strengthening Bamboo Serum. The Purito Mighty Bamboo Panthenol Serum is a deeply hydrating, barrier-repairing serum infused with Damyang Bamboo Extract, Panthenol, and Ectoin to restore moisture, strengthen the skin barrier, and enhance skin radiance. This lightweight, fast-absorbing formula provides intense hydration while protecting the skin from environmental stressors, making it ideal for dry and sensitive skin.