Using lactic acid for skin care can help you have a smoother, brighter complexion.

Lactic acid is used in many over-the-counter (OTC) skincare products and professional treatments.

Some people find that lactic acid irritates their skin or causes unwanted side effects.

benefits of lactic acid for skin

Verywell / Emily Roberts

Check with your dermatologist to see if products with lactic acid are right for you.

Verywell / Emily Roberts

What Is Lactic Acid?

Lactic acid is one of the most popular AHAs available.

It is a common ingredient in over-the-counter skin care products.

It’s also used in stronger professional peels and treatments.

Lactic acid is naturally found in dairy products.

It’s what gives yogurt and soured milk their distinctive tangy taste.

Dairy products have been used for centuries by people across the world to soften and beautify the skin.

As a result, lactic acid gives you a brighter complexion as well as smoother and softer skin.

Salicylic acid might cause more irritation for some people.

Talk to your dermatologist to find out which would work best for your skin punch in.

Here are a few possible side effects of using lactic acid on your skin.

UseSPF 30 or highersunscreen daily to protect your skin from sunburn and sun damage, even on cloudy days.

Skin Irritation

Lactic acid can also cause skin irritation.

Call your healthcare provider for advice on what to do for your skin.

Most people can use it safely.

Still, some people should not use products with lactic acid.

If you have very sensitive skin, lactic acid can irritate it.

If you notice any irritation, stop using the product.

If you use topical retinoids likeRetin-Aor Refissa, don’t add lactic acid to your skincare routine.

You may not be able to use these products together.

Lactic acid is considered generally safe at lower concentrations.Start with a product that has about 5% lactic acid.

As long as your skin can handle it, you may be able to use the products daily.

However, using them every few days should be enough to see results.

It can take a few months, though, to see noticeable results.

Products that contain lactic acid include cleansers, creams, and lotions.

It is often used in at-home peels and masks.

It comes in different strengths and can be found in OTC cleansers, lotions, and at-home masks.

Start off with a low-strength product, especially if you have sensitive skin.

Be sure to also use sunscreen, as lactic acid makes your skin more prone to sunburn.

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