LEN'OIL is a rich treatment of essential oils with a protective and soothing action. Applied before dyes or technical services to help protect the scalp. Especially for dry, sensitive and irritated skin. pH: 3.5 - 4.0 USE In dry hair, apply the product directly on the scalp with the appropriate dropper, distributing uniformly line by line, spaced about 2 cm. Make uniforms with a light massage. Proceed with the selected treatments.