This serum delivers a cocktail of powerful ingredients that mattify the skin and regulate its sebum (oil) production. Niacinamide has a host of skin benefits, none more valuable in this formulation than its sebum-regulating effect. Zinc PCA also helps balances the skin's oil levels, and reduces redness and minimises the appearance of pores. Quora Noni™ is a powerful new 'dermohacking' extract that balances the skin's microbiome. Money Back Guarantee – we are so confident that you will love Transparent Lab's range that if for any reason you are not completely satisfied, return your purchased product(s), full or empty, within 60 days of purchase from us and receive Skinspace credit for the cost of the product(s).