Effective formulation for difficult spots: A compound of salicylic acid, developed by dermatologists for skin prone to spots, Nitrogen stain control facial wash helps to treat difficult spots and prevent the appearance of acne in the future | Maintains the skin's natural defenses: With an accumulating gel formulation to remove impurities and fight stains, this facial wash helps to maintain the skin's natural defenses to get a skin with a healthy appearance and resistance to stains | Clinically proven results: Clinically proven its ability to treat stubborn spots and designed as an oil-free facial wash, this product cleanses the skin of Nitrogen while maintaining On its natural balance to get clean skin | Laboratory by dermatologists: This oil-free combination of Nitrogen face wash has been tested by dermatologists, providing a gentle and effective way to purify and defend against future breakouts | Suitable for all: Suitable for people with stubborn spots or those looking to prevent the appearance of grains in the future, Nitrogen stain-controlling face wash is considered an essential addition to your daily skin care routine