Otentika Skin Tone Formula. If your skin is prone to dark spots, pimples and other surface imperfections... Try our SKIN TONE FORMULA, a unique, non-greasy liquid containing Shea Butter, a tropical plant moisturizer and conditioner that pampers the skin and leaves it soft and silky. It helps to clear dark blotches and create an even, bright skin tone, while protecting the skin from re-darkening.