Asthma patients achieve good results from inhaling the salt vapors. - Zinc: Zinc is vital for the natural regulation of skin cell generation, for stimulating collagen renewal and it is also a natural UV blocker. Zinc plays a role in enzymatic regulation of cell proliferation. As an antioxidant, it aids in tissue repair and wound healing; plays an important role in the formation collagen; helps prevent dermatitis and outbreaks of acne. A low level of zinc is associated with skin disorders.