Leonor Greyl was founded by French hair stylist Leonor Greyl in 1968 and is known for using high-quality, natural ingredients in its products. Some of the key ingredients used in Leonor Greyl's hair care products include plant oils such as jojoba, sesame, and coconut oil, as well as botanical extracts like chamomile, seaweed, and nettle. The brand also uses proteins and vitamins to help strengthen and nourish hair. Leonor Greyl's products are free from harsh chemicals such as parabens, sulfates, and silicones, and are not tested on animals. The brand is also committed to sustainability, using recyclable packaging and supporting reforestation efforts.