The Natural Formula Castor Oil Mask is designed for weak, brittle, and damaged hair. It contains 89% natural ingredients and is enriched with castor oil and mango butter. The mask helps to strengthen and restore hair fiber, providing moisture, nourishment, softness, and shine. It is suitable for straightened hair and does not contain sodium chloride, parabens, or phthalates. The product is also vegan-friendly and has not been tested on animals. Instructions for use: After washing your hair with Natural Formula's Castor Oil Shampoo from the "Repair Intense" series, apply the mask throughout your hair. Leave it on for 2-3 minutes, and then rinse thoroughly with water. Once opened, the product can be used for 12 months. The capacity of the container is 500 ml.