The present invention is directed to the field of skin care and aims in particular to improve the skin hydration. It relates in particular to a cosmetic or dermatological composition comprising spring water having a mineralization between 650 mg/1 and 1100 mg/l, and a sodium content between 85 mg/l and 150 mg/l, in particular Zamzam spring water, for its anti-aging and moisturizing effect on the skin, as well as to prevent skin slackening. It is also directed to the dermatological use ofthis composition for the treatment of atopic dermatitis and pruritus.
