A source of stress and anxiety, hair loss can be treated with targeted care. The natural complex (Quinine + Organic Edelweiss) in Klorane's strengthening serum made with 98% of natural ingredients gives strength to hair devitalized by stress, fatigue, hormones, etc. Used as a 3-month treatment, it strengthens hair, slows down hair loss and stimulates growth. Its strengthening effectiveness is proven after 1 month* and hair is stronger after the first application**. A real boost, growth is stimulated* for strengthened**, denser hair, from root to tip. 98% natural origin ingredients. Free from silicones, sulfated surfactants, mineral oils, phthalates, parabens. *+3,114 existing hairs in the growth phase. **Average phototrichogram results on 45 subjects with reactive hair loss, 3 applications per week for 1 month.