| abstract |
The present invention relates to a biodegradable chamber having a bent portion at its distal end and a plurality of protrusions formed in a longitudinal direction at the bent portion; And at least one substance selected from a skin moisturizing agent, an amino acid, an antioxidant, an antioxidant enzyme, a drug, a herbal medicine extract, and a mushroom extract, which is coated or biodegradable on the biodegradable chamber . |