They contain varying amounts of lactic acid, from 5% to 30% or even more. Over-the-counter products come in various formulations, including: A review of moisturizers for eczema found some evidence that it shortened flares as well. Products containing lactic acid can also improve skin in ways not related to eczema, including:Īdditionally, lactic acid is used in products that treat psoriasis, rosacea, and combined with salicylic acid to treat several types of warts.Ī 2018 study suggests that lactic acid reduces itching in eczema after the first use and restores skin barrier integrity. It also helps improve the process by which your skin keeps itself hydrated. With regular use, lactic acid exfoliates and speeds up cell renewal, which leaves your skin looking brighter and feeling softer. You can buy over-the-counter eczema cream containing lactic acid or have a lactic acid peel performed by a professional in a day spa (superficial peels only) or medical setting (deeper peels). It's also a natural component of healthy skin. Lactic acid is an alpha-hydroxy acid that can be derived from milk but is generally synthesized for skincare products. Instead, it helps loosen the bonds between cells and allows dry skin to be sloughed off. Lactic acid is a chemical exfoliant, meaning that it isn't abrasive. You may be most familiar with physical exfoliants, which are abrasive or gritty and manually remove dead cells. To treat eczema, it's important to remove dead cells and restore moisture, which is where exfoliants and humectants come in.Įxfoliants remove dead cells from the surface of your skin. A weakened barrier that allows allergens to enter through the epidermis, which leads to an immune response and inflammation.Abnormal build-up of dead cells that results in a scaly appearance.The lack of filaggrin triggers numerous changes in your skin: Filaggrin plays important roles in creating a protective barrier that protects skin cells and keeps them hydrated. People with eczema are believed to have a genetic mutation that weakens a protein called filaggrin in the epidermis (the outermost layer of skin). The primary symptom is a scaly, itchy, inflamed rash. Eczema, also called atopic dermatitis, is a common inflammatory skin condition impacting about 11% of children and more than 7% of adults in the United States.
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