Bioderma Node G Purifying Shampoo regulates sebum production, purifies the scalp, and restores hair's natural shine. Ideal for oily hair, its sulfate-free formula gently cleanses without stripping essential oils. Suitable for all ages and daily use, it maintains the hydro-lipid film and is perfect post-hair straightening. Experience healthier, lustrous hair with this non-delipidating, nourishing shampoo.