A tuna serum with ceramide np and panthenol that strengthens the skin's barrier, provides a hydrating base layer, softens and prepares the skin for the next step in your routine. This tuna serum strengthens the skin's barrier, provides a hydrating base layer, softens and prepares the skin for the next step in your routine. Formulated with ceramide np and panthenol that strengthen the skin's barrier to prevent moisture loss and hydrating glycerin. Dermatologist tested. Instantly increases hydration by 134%* hydrates the skin for 24 hours strengthens the skin barrier by 34%** strengthens the skin barrier for 8 hours 21% softer skin *** *clinical tests on 34 women, immediately after using the product. ** Clinical tests on 31 women, after using the product for 8 hours. *** Clinical tests on 31 women, after using the product for 4 weeks. Immediate results*: 95% feel una new skin sensation 94% feel softness on their skin 92% feel their skin feels instantly comforted 92% say their skin feels hydrated 84% say it prepares their skin for the next step in their skincare routine *user testing conducted on 114 women immediately after using the product una fragrance free. Paraben free.