What is lactic acid

Lactic acid is an organic compound with the chemical formula C3H6O3. It is a type of alpha-hydroxy acid (AHA) and is naturally found in various foods, particularly in dairy products such as yogurt and milk. In skincare, lactic acid is commonly used for its exfoliating and skin-renewing properties.

Lactic acid is found in various skincare products, including cleansers, toners, serums, and masks. When using products containing lactic acid, it's important to follow the product instructions and start with lower concentrations if you have sensitive skin. Sun protection is also crucial when using lactic acid, as it can make the skin more sensitive to UV radiation.

Meaning of lactic acid

The term "lactic acid" refers to a specific chemical compound with the formula C3H6O3. Lactic acid is an organic acid that is produced in various biological and industrial processes. In skincare, it is used in acne treatment, exfoliation, treating hyperpigmentation, and more.

You may encounter lactic acid in skincare products with various labels, including:

Lactic Acid
Alpha-Hydroxy Acid (AHA)
Milk Acid (a less common term)
Lactate (the salt form of lactic acid)

Benefits of lactic acid

Key benefits of lactic acid in skincare include:

Exfoliation: Lactic acid is an effective chemical exfoliant. When applied to the skin, it helps to remove dead skin cells from the surface, revealing smoother and fresher skin underneath.

Moisturisation: Unlike some other exfoliants, lactic acid also has humectant properties, which means it can attract and retain moisture. This helps keep the skin hydrated while exfoliating.

Hyperpigmentation: Lactic acid can help fade dark spots, sunspots, and other forms of hyperpigmentation, leading to a more even skin tone.

Fine Lines and Wrinkles: It can improve the appearance of fine lines and wrinkles by promoting skin cell turnover and stimulating collagen production.

Acne Treatment: Lactic acid can help treat acne by exfoliating the skin and preventing clogged pores. It is particularly suitable for individuals with sensitive or acne-prone skin.

Gentle Exfoliation: Lactic acid is considered a milder exfoliant compared to some other AHAs, making it a good option for those with sensitive skin.

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