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Betaine

* An amino acid. Also known as Trimethylglycine or glycine betaine.

Primarily functions as a humectant and anti-irritant in cosmetic products. The small polar molecules of this ingredient are prone to hydrogen bonding (AKA interacting with water), which in turn gives it the ability to retain moisture. It's able to give superior hydration to the skin, without the residual stickiness often associated with glycerin based emulsions. When used in skin care products, it can temporarily decrease the depth of wrinkles, giving the face a much smoother appearance. Its specific molecular structure is also responsible for giving it unique solvent powers and  sensory properties, such as a silky and smooth feel. Its "silk effect", in turn, is the reason for why it's used in so many hair shampoos and conditioners.

* An amino acid. Also known as Trimethylglycine or glycine betaine.

Functions:

Primarily functions as a humectant and anti-irritant in cosmetic products. The small polar molecules of this ingredient are prone to hydrogen bonding (AKA interacting with water), which in turn gives it the ability to retain moisture. It's able to give superior hydration to the skin, without the residual stickiness often associated with glycerin based emulsions. When used in skin care products, it can temporarily decrease the depth of wrinkles, giving the face a much smoother appearance. Its specific molecular structure is also responsible for giving it unique solvent powers and  sensory properties, such as a silky and smooth feel. Its "silk effect", in turn, is the reason for why it's used in so many hair shampoos and conditioners.

As an anti-irritant, it is often used to lessen the dermal sensitization that comes along with many other ingredients. In fact, studies have shown a 50% betaine water solution to be less irritating than pure water. Its high humectancy and skin relief properties make it an ideal calming moisturizer to follow up with after using a harsh exfoliator, such as an AHA skin peel. In addition, because it does not immobilize water molecules the way many other humectants do, it is especially effective at protecting the mucous membranes. Thus, it is used in many oral rinse products and toothpastes specifically designed for  dry mouth. Other examples of cosmetic products that contain this ingredient are moisturizer, sunscreen, cleanser, acne treatment and shampoo/conditioner.

Recommended Products w/Betaine:

Ole Henriksen African Red Tea Face Mist

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