Tamanu & Tea Tree Oil Face Serum. (109 ratings) Oil Face Serum for oily and problematic skin. £13.50 Out of stock. 0 in your basket View Basket Checkout Purifying oil face serum specially formulated for oily and problematic skin with impurities and imperfections such as acne, scars and blackheads. Use once daily, preferably a night time, together with your cream or solo. Vegan friendly & cruelty free! Carefully made using the highest quality, natural and organic ingredients. NO paraffin, NO parabens, NO colourants, NO synthetic fragrances!