It is indeed, and depending on the age of the person, this serum has particular beneficial effects to the skin. In adolescents with acne prone skin, this serum is an astringent, tightening the pores and helping the skin to remain free from bacteria, thereby preventing the formation of further acne. For everyone exposed to the sun and environmental pollution, or even for smokers, this product is invaluable because it stops the formation of free radicals caused by ultra violet rays of the sun and smoke. For older people, it rehydrates the skin and regenerates new skin cells, hence making the skin look fuller and renews the older cells to give the skin a wonderful radiant look.