And every garment, and every skin, whereon is the seed of copulation, shall be washed with water, and be unclean until the even.

As tempting as it may be in the cold months of winter, avoid hot water. Hot water strips the skin of naturally occurring oils. Opt for lukewarm water instead.

Can an Ethiopian change his skin, or a leopard his spots

Most people drink far less water in the winter, which certainly affects the skin. Water hydrates the skin from within.

If a man also or a woman have in the skin of their flesh bright spots, even white bright spots; / Then the priest shall look: and, behold, if the bright spots in the skin of their flesh be darkish white; it is a freckled spot that groweth in the skin; he is clean.

And if a leprosy break out abroad in the skin, and the leprosy cover all the skin of him that hath the plague from his head even to his foot, wheresoever the priest looketh; / Then the priest shall consider: and, behold, if the leprosy have covered all his flesh, he shall pronounce him clean that hath the plague: it is all turned white: he is clean.