For the first time, naturalness and makeup performance are united at Guerlain. A foundation with 97% of its ingredients of natural origin, featuring a natural and radiant finish that lasts for 16 hours. It provides a perfect, glowing, and fresh complexion. The texture is pleasant and melting, ideal for adjusting the desired coverage (from light to medium). With L'Essentiel, bare skin becomes more beautiful every day. The formula allows the skin to breathe, hydrates it, evens it out, and protects it from environmental influences. The complexion becomes more uniform, and the appearance of imperfections is diminished. A unique and groundbreaking bottle designed by Mathieu Lehanneur, whose shape alludes to the subtle art of balance. Available in 12 shades for every skin tone. Complies with ISO standard 16128 Parts 1 and 2. The remaining 3% helps maintain the properties and consistency of the formula over time. Instrumental measurement conducted with 20 women by an independent laboratory.