Best body Lotion for Combination Skin – Suganda Skincare WHAT DOES WINTER SKIN NEED?? In winter skin gets dry due to low humidity in the air. Our Skin's protective layer contains both oils (Sebum ) and NMF( Mixture of humectants like Amino acids, Lactate, PCA, Glycerol, Hyaluronic acid, and others). The layer of oils helps to keep water in the skin. If the humidity is high in air, humectants in the skin will attract water from the air and keeps the top layer hydrated. But if the humidity is low, the water evaporates into the air. But we have a protective layer of oil which stops the TEWL (water loss from skin).
The amount of water inside the skin is a direct measure of healthy skin. Also, it's important to note that less Oil (Sebum) is produced in winters as the temperature is cold.