Kérastase Symbiose Fondant 1oz/30ml Apaisant Essentiel, which is a detangling soothing conditioner for sensitive scalps and sensitized hair. This silicone-free hydrating conditioner is formulated to soothe the scalp, strengthen hair, and provide moisture without weighing the hair down. It contains Salicylic Acid, known for its effectiveness in treating dandruff and dermatitis, and Bifidus extract, which helps strengthen and regulate the scalp's microbiome. The conditioner is recommended for sensitive scalps prone to dandruff and is suitable for daily use.