The present invention provides a composition for treating skin damage , comprising halobacteria extracts.The halobacteria extracts further comprising strong antioxidants with high redox potential when dissolved in oil and in water. The strong antioxidants inhibiting in a known oxidative mechanisms which are further correlated with skin damage, wherein the halobacteria extract is Archaebacteria DN- 1 having a wide range impact on rehabilitation of the skin tissue after radiation. Furthermore, the composition is preferably adapted for topical delivery.
