- Physical and chemical sunscreen agents filter - Antioxidant protection (free radicals Block) - Protects skin proteins against cooking under sun temperature - Heat Shock proteins protection (“HSP”) fights sun-related skin ageingSKIN TECH Melablock HSP SPF 50+ Very high sun protection SPF 50+Melablock HSP sun protection is the result of the latest discoveries about sun damage. HSP (heat Shock Protein) is a natural system produced by our body in response to external aggressions such as sun rays or excessive dryness, with the aim of defending our cells against stresses or injuries. Its production declines with age, progressively leaving the skin without defenses against external attacks. - Reflects UVs (physical Block) - Absorbs UVs energy (chemical Block) - Antioxidant (free radicals Block) - Protects skin proteins against cooking under sun temperature- Heat Shock proteins protection (“HSP”) fights sun-related skin aging Directions: Apply daily in the AM. Reapply every 2 hours. Size: 50ml