The invention relates to a capsule consisting of a closed soluble soft shell and within the closed soft shell a composition consisting of seed oil. The seed oil is selected from lingonberry seed oil, blueberry seed oil, bilberry seed oil, or any of their mixture and which composition comprises γ-tocotrienol at least 0.2 mg/g of seed oil and α-linolenic acid at least 300 mg/g of seed oil. The invention relates also to a composition for use in skin lightening and/or for increasing skin density by oral administration.
