With the action of Melittina and blend of organic acids, this product smoothes the hair, reduces volume and frizzy effect, ensuring a shine and deep hydration. Furthermore, it regenerates the hair fiber by naturally strengthening the hair, and is compatible with all chemical treatments Ingredients: All Natural Ingredients, Ammonia-Free, Contains Glycolic Acid, Contains Minerals, Contains Vitamins, Formaldehyde-Free How to Use : For straightening it is necessary to dry the hair leaving it damp. Then divide the hair into four parts, apply Royal Bee Straightening Protein 1 cm away from the scalp, leave on for 40/60 minutes and every 10 minutes comb the hair with a comb.