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Here is a hypothetical Psoriasis Treatment Serum formulation: Ingredients: Aqua (Water) Niacinamide (5%) Glycerin (5%) Propanediol (3%) Centella Asiatica Extract (3%) Aloe Vera Juice (2%) Sodium Ascorbyl Phosphate (Vitamin C,...

UV radiation can affect human health, both positively and negatively. First, the beneficial effects are as follows; Helps in producing Vitamin D in Human Skin: Its main positive effect is related to Vitamin D production in human skin, which is...