Is Kosterina skincare clean and free from harmful ingredients?

Yes. Kosterina skincare products are formulated without parabens, synthetic fragrances, petrolatum, paraffin, phthalates, toluene, triclosan, formaldehyde, or animal by-products. We use only ingredients with a clear purpose -- no fillers, no harmful additives. Our products are also cruelty-free and never tested on animals.