Squalane: A signature Kiehl’s ingredient, Squalane is a botanical lipid that is similar in molecular structure to natural skin lipids. It has an exceptional affinity to skin, and because it’s easily absorbed, Squalane helps restore skin’s natural moisture balance to keep it extra soft and supple. Aloe Vera: Derived from the aloe vera plant this ingredient has been known to soften, soothe and comfort skin. Vitamin E: Naturally occurring in plant leaves and skin, Vitamin E helps neutralize skin-damaging free radicals and has soothing moisturizing properties.