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A serum is a product that has a high concentration of active ingredients. It consists of smaller molecules that can penetrate the skin.
Serums, therefore, are typically aimed at certain skincare situations, such as wrinkles.
They are traditionally water-based, though more often they will contain oils. That’s where they overlap with facial oils, which are also concentrated and focused treatments, but oil-based.
Serums are usually clear, gel-based, or liquid, and thicker than a moisturiser. They normally have a different role to play than a moisturiser, but they can help boost the hydrating effects of moisturisers.
Like serums, facial oils have different functions, such as nourishing the skin, helping reduce the appearance of wrinkles.
The key is, again, in the ingredients. Argan oil is great for sun damage or dryness, while rosehip seed oil’s antioxidants can help strengthen the skin as a barrier and help protect it from pollution and smog (which can contribute to wrinkle formation).
Some facial oils can be a great primer for make-up. Oils such as mandarin and pumpkin seed help plump up the skin and smooth it out. It is all about reading the ingredients and finding a product with a great combination.
Popular serums include Dr Organic Snail Gel Face Serum Anti-Aging. The main ingredient in this serum is Helix Aspersa Muller, which is what snails use to regenerate their own skin or shell.
The serum also contains olive leaf extract and jujube seed extract, and in general, it is a great tool to help reduce the appearance of fine lines and wrinkles as well as a moisturiser.
And in case you were worried, no snails were harmed in the creation of this serum – the key ingredient is collected from their mucus secretion as they move over glass panels.