The Spectral Fluid Foundation by Serge Lutens provides an undetectable finish on the skin, offering a barely-there texture. The smoothing formula helps to even the skin tone to create a harmonious finish, minimising the appearance of blemishes and imperfections. The ultra-lightweight formula provides high coverage with a high-definition velvety matte finish, creating a second-skin effect. The foundation offering up to 16 hours of wear, maintaining a flawless appearance all day long. Suitable for all skin types, the undetectable texture ensures comfortable wear and can be built up as desired. This handy refill slots into your foundation bottle to help minimise wastage.