Despite its sinister sounding name, the word malic acid comes from the Latin word malum, which means apple. Malic acid was first isolated from apple juice in 1785, and it’s what gives some foods and drinks a tart taste. If you’re a fan of slightly acidic wine, malic acid probably played a huge role. It’s also a common ingredient in many hair and skin care products that include:
shampoos
body lotions
nail treatments
acne and anti-aging products
Malic acid is part of a family of fruit acids, called alpha hydroxy acids (AHAs). Alpha hydroxy acids stimulate exfoliation by interfering with how your skin cells bond. As a result, dull skin is removed to make way for newer skin. Skin care products that contain malic acid can provide benefits that include:
skin hydration
exfoliation, or the removal of dead skin cells
improved skin smoothness and tone
reduction in wrinkles
Your body also produces malic acid naturally when converting carbohydrates into energy. Movement would be very difficult without malic acid. It’ll probably be no surprise that malic acid also has other health benefits too.
Keep reading to discover why malic acid is one of the ingredients you’ll want to keep an eye out for when shopping for your skin care products.
Part 2 of 5
Cleanses and rejuvenates the skin
Malic acid in skin care products is celebrated for its ability to brighten the skin and smooth its texture. That’s why it’s a common ingredient in anti-aging creams.
According to a brain-skin connection study, higher stress can worsen skin conditions like eczema, acne, and premature aging. And while wine can help reduce stress, external use of malic acid might be a healthier application.
Skin pH balance and hydration
Malic acid is also a humectant. It helps with moisture retention to help your skin stay hydrated.
A 2014 study about the hydration effects of aloe vera used malic acid, glucose, and a chemical compound in aloe vera (acemannan), as markers for fresh gel. Another small study also saw improvements in scales from old wounds after applying an ointment made of malic acid and petroleum jelly, according to the National Institutes of Health (NIH).
Skin pH balance and hydration
Malic acid is also a humectant. It helps with moisture retention to help your skin stay hydrated.
A 2014 study about the hydration effects of aloe vera used malic acid, glucose, and a chemical compound in aloe vera (acemannan), as markers for fresh gel. Another small study also saw improvements in scales from old wounds after applying an ointment made of malic acid and petroleum jelly, according to the National Institutes of Health (NIH).
Did you know?
A healthy pH level for skin should be slightly acidic. Aim to keep your skin’s pH level around 4.5 to 5.5.
Malic acid is often used as an ingredient in cosmetics to balance pH levels. According to Bartek, a manufacturer that makes cosmetic and food grade chemicals, malic acid is more balanced than other fruit acids. It has a better buffer capacity than other AHAs like citric and lactic acid.
Having a better buffer capacity means that you can use more malic acid without upsetting your skin’s acid-base balance, or pH levels. If your skin’s pH level is unbalanced, then your skin’s protective barrier may be destabilized and more prone to dryness or acne.
Anti-aging and scar lightening
AHAs promote a high skin cell turnover rate. This means your skin cells are renewed more quickly, resulting in:
fewer fine lines and wrinkles
more even skin tone
smoother skin texture
decreased blemishes
“Malic acid at higher concentrations can also penetrate into lower levels of the skin to bring about new collagen formation,” says dermatologist Dr. Annie Chiu, director of the Derm Institute in California. Collagen is a protein that helps build and repair cells. It supports the skin and other body tissues’ strength and flexibility and prevents sagging. Collagen production slows down as you age, which is partly why skin loses its elasticity and firmness the older you get.
Using products with malic acid may increase collagen production and reduce signs of aging. Check out beauty blog ‘Hello Glow’ for three DIY (do it yourself) apple-based masks to rejuvenate your face, skin, and hair.
Have you tried these anti-aging tips yet? »
Acne prevention
Whether it’s in a lotion, cleanser, or light peeling agent, malic acid can help remove a buildup of dead cells. This is great for acne-prone skin. When the skin’s pores get clogged with too many dead skin cells and the skin’s natural oil (sebum), blackheads can form. Bacterial infections can also develop and cause breakouts.
“Malic acid breaks down the ‘glue’ that holds the dead skin cells together on the outer layer of the skin,” says Dr. Chiu. When these dead skin cells are swept away, “Your skin looks less dull and when your pores are unclogged, it helps reduce the formation of acne bumps and the discoloration that’s often associated with acne.”
While it sounds like a miracle cure, Dr. Chiu recommends sticking to low doses of malic acid. Unless your doctor recommends it, nonprescription skin care products will contain all the malic acid you need to fight breakouts or sagging skin. Higher doses, such as supplements, should only be taken if recommended by your doctor.
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