Is it possible to prepare a moisturizing facial serum with just one ingredient?
We talk about facial serum when we refer to a liquid product formulated with a minimum number of ingredients, but with a higher concentration of active ingredients. Keep in mind, however, that this term is more related to the world of marketing than in the scientific field. Some time ago I proposed to you this …
Is it possible to prepare a moisturizing facial serum with just one ingredient? Read More »