Enriched in Peony extract, the SOS Serum immediately reduces the sensation of irritation and provides a long-lasting calm to the scalp. Its formula of fresh water without rinsing and with physiological pH offers an immediate sensation of well-being to the scalp at any time of the day. Non-greasy, non-sticky effect. HAIR Sensitive and irritated scalp. NATURAL ACTIVE Peony, grown in China respecting the surrounding ecosystem.