ulcers and gastritis , eczema , canker sores and other ulcerative disorders of mucosal tissues, wounds, inﬂammation , burns, frostbite , psoriasis , rosacea , lupus erythematosus , and chronic dermatoses . In ophthalmology , berry extracts have been used for keratosis , trachoma , eyelid injuries and conjunctivitis . The sea-buckthorn