Neo Heliopan Hydro by Symrise acts as a highly effective UVB absorber. Offers very good stability and UV protection. Exhibits very good photostability and safety profile. Recommended pH value for finished products containing Neo Heliopan Hydro: 7.0 to 7.5 for TEA, NaOH, KOH and > 6.0 for L-Arginine. It is suitable for water-based transparent sunscreen products such as gels or clear sprays.