Ideal for oily and blemish-prone skin, the Zelens Power B Revitalising and Clarifying is an ultra-lightweight serum that helps to visibly brighten and smooth the skin. n Enriched with an advanced vitamin B complex, featuring niacinamide, vitamin B5 and B12, the silky pink serum diminishes the look of redness and discolouration, fine lines and excess oils. Arriving in a mini travel-size, take this supercharged tonic with you on-the-go.