A non-essential amino acid, meaning that our body can produce it. It is the largest constituent of the skin's Natural Moisturizing Factor and is used in skincare as a humectant moisturizing ingredient.
Moisturizing
Humectant
Moisturizing (Humectant)
Humectants are moisturizing ingredients that draw moisture to the skin, either from deeper layers or from the environment (when it's humid).
Humectant
Moisturizing (Humectant)
Humectants are moisturizing ingredients that draw moisture to the skin, either from deeper layers or from the environment (when it's humid).
Other functions
Fragrance,
Fragrance
Fragrance ingredients add scent to a product or hide ('mask') the undesired aroma of other ingredients.
Fragrance,
Fragrance
Fragrance ingredients add scent to a product or hide ('mask') the undesired aroma of other ingredients.
Antistatic
Antistatic
Antistatic – reduces electric charge buildup.
Antistatic
Antistatic
Antistatic – reduces electric charge buildup.
Origin
Botanical,
Botanical
Ingredients derived from plants, mosses, and lichens: extracts, oils, powders, juices and other types of processed plant materials.
Botanical,
Botanical
Ingredients derived from plants, mosses, and lichens: extracts, oils, powders, juices and other types of processed plant materials.
Synthetic,
Synthetic
All kinds of ingredients formulated or produced by a chemical process, or those that have a chemical modification in their structure.
Synthetic,
Synthetic
All kinds of ingredients formulated or produced by a chemical process, or those that have a chemical modification in their structure.
Animal
Animal
Ingredients derived from animals (including birds, fish, crustaceans, mollusks, and insects) or produced by animals (e.g. dairy- and egg-derived ingredients, bee products, silk, pearls, etc.)
Animal
Animal
Ingredients derived from animals (including birds, fish, crustaceans, mollusks, and insects) or produced by animals (e.g. dairy- and egg-derived ingredients, bee products, silk, pearls, etc.)
Serine is a non-essential amino acid, meaning that our body can produce it. It is the largest constituent of the skin's Natural Moisturizing Factor, a mixture of amino acids that maintain the water balance in the topmost layer of the skin.
It is added to skincare as a humectant moisturizing ingredient that can help to retain water to the skin’s surface. Serine is water-soluble and so is easily washed away from the skin’s surface. It needs to be re-applied in order for the skin to receive its full moisturizing benefits.
It is added, along with other amino acids, to hair care products as an antistatic agent.
Science
1
Oshimura, E., & Sakamoto, K. (2017). Amino Acids, Peptides, and Proteins. Cosmetic Science and Technology, 285–303.
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Humectant
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