A variety of facial products under the brand name of Hukjinju (black pearl) include soap, moisturizer, mask and sauna lotion, and they are made of skin-effective extracts from sulphuric mud.

These natural skincare products contain natural sulphur, vitamins B1, B2, B6, C, E, and A, gold, selenium, mineral matters, antibiotic substances, and biogenstimulator.

Therefore, they prove effective in keeping skin healthy and beautiful, retarding ageing, curing acne, ringworm, allergy and other skin diseases, and treating and preventing radiation-related skin damage.

Using them in proper combination produces more effective results.