Doublebase Dayleve Gel Doublebase Dayleve Gel is highly moisturising & provides long lasting protection for people with dry skin conditions such as eczema & psoriasis. The advanced formulation helps to retain moisture within the top layer of the skin, forming a protective layer that prevents water evaporation. Doublebase Dayleve Gel is an advanced gel formulation combining high levels of emolliency with exceptionally long lasting protection, together with the convenience of as little as twice daily application. Due to its long lasting protection, it can be used as little as twice daily.