Are Niks products preservative-free?
The next time a sales person tells you that her products are preservative-free, ask her how then does she plan to keep her products free from harmful micro-organisms and oxidation? In the absence of preservatives, there are only two ways to ensure that your cream or serum does not come with microbes: either the product has a shelf life of not more than a few weeks, or it does not contain water (called anhydrous). It is basic science that cosmetic ingredients, in the presence of water, must attract micro-organisms within a few weeks, unless you add substances that inhibit such growth, ie preservatives. Some preservatives have other functions (eg anti-oxidant or fragrance), so some manufacturers conveniently call them by their other names. Some are natural ingredients (eg some clove extracts) and so not described as preservatives. Even denatured alcohol, at a sufficiently high concentration, can serve as preservative. But whether they are called preservatives or not, the fact remains tha
- Is it true that we will develop long-term dependency by using Niks anti-acne products, in the sense that once we stop using these products, all our acne problems will resurface?
- I notice that some Niks products still contain parabens. Do you have a plan to phase out these harmful ingredients?
- How many % natural are Niks products?