I started making facial masks after reading several books on natural cosmetics. Common ingredients used in home facials are eggs, lemon, milk, honey, cucumber, tomato, essential oils and many more fruits, herbs and other ingredients. The assumption was that I had homemade cosmetics, being all natural and preservative free were much safer than commercial masks are in the stores. An incorrect assumption. You know the saying. Never assume anything.
It makes an ass of U and ME. Did you know that some of the deadliest poisons on earth are 100% natural? There are complaints about preservatives irritating the skin and everything. That may be true especially for a person with sensitive skin. But preservatives actually make cosmetics safe to use. Preservatives kill or at least inhibit bacteria, mold, viruses and nasty things that would otherwise thrive in the cosmetics we use. Commercial preparations usually contain some preservative or other to make these products safe for use. Some of the very high end cosmetic formulations are packed in sterile capsules to eliminate or at least minimimize, the need for preservatives. If you make your own skin care for use later in the week, it is likely that, unless the ass about sterilizing everything and freezing every batch once it has cooled, thawing it only when you to use and maintain their distance from cosmetics meat in the freezer, over time, you may find yourself using contaminated home made cosmetics, which could lead to skin irritation. I used to do my own skin care but found all the precautions he had to take the trouble, now I can buy mine off the shelves.