astera sensitive high tolerance shampoo for sensitive scalp200ml Ren Furterer Astera High Tolerance Shampoo gently cleanses while respecting the balance of sensitive scalps. Enriched with hamamelis floral water and asteracea extract, its soothing formula helps protect and comfort the scalp by enveloping it in a protective layer of active ingredients. Features Hypoallergenic formula suitable for sensitive scalps Rich in soothing and protective ingredients Helps strengthen the scalps natural defenses Respects